<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created by Certent Disclosure Management 6.5.8.2 -->
<!--Based on XBRL 2.1-->
<!--Created on: 2/27/2017 3:00:27 PM-->
<!--Modified on: 2/27/2017 3:00:27 PM-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#StatementConsolidatedBalanceSheets" roleURI="http://www.mack-cali.com/role/StatementConsolidatedBalanceSheets" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#StatementConsolidatedBalanceSheetsAltCalc" roleURI="http://www.mack-cali.com/role/StatementConsolidatedBalanceSheetsAltCalc" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#StatementConsolidatedStatementsOfOperations" roleURI="http://www.mack-cali.com/role/StatementConsolidatedStatementsOfOperations" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#StatementConsolidatedStatementsOfComprehensiveIncomeLoss" roleURI="http://www.mack-cali.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#StatementConsolidatedStatementsOfCashFlows" roleURI="http://www.mack-cali.com/role/StatementConsolidatedStatementsOfCashFlows" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureRecentTransactionsScheduleOfPurchasePriceAllocationDetails" roleURI="http://www.mack-cali.com/role/DisclosureRecentTransactionsScheduleOfPurchasePriceAllocationDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureRecentTransactionsScheduleOfDispositionsRentalPropertyHeldForSaleDetailsAltCalc" roleURI="http://www.mack-cali.com/role/DisclosureRecentTransactionsScheduleOfDispositionsRentalPropertyHeldForSaleDetailsAltCalc" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureRecentTransactionsScheduleOfNetAssetsRecordedUponConsolidationDetails" roleURI="http://www.mack-cali.com/role/DisclosureRecentTransactionsScheduleOfNetAssetsRecordedUponConsolidationDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureRecentTransactionsScheduleOfDispositionsRentalPropertyHeldForSaleDetails" roleURI="http://www.mack-cali.com/role/DisclosureRecentTransactionsScheduleOfDispositionsRentalPropertyHeldForSaleDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureRecentTransactionsSummaryOfIncomeFromPropertyHeldForSaleNetDetails" roleURI="http://www.mack-cali.com/role/DisclosureRecentTransactionsSummaryOfIncomeFromPropertyHeldForSaleNetDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureRecentTransactionsSummaryOfIncomeLossFromPropertiesDisposedDetails" roleURI="http://www.mack-cali.com/role/DisclosureRecentTransactionsSummaryOfIncomeLossFromPropertiesDisposedDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureInvestmentsInUnconsolidatedJointVenturesSummaryOfFinancialPositionOfUnconsolidatedJointVenturesDetails" roleURI="http://www.mack-cali.com/role/DisclosureInvestmentsInUnconsolidatedJointVenturesSummaryOfFinancialPositionOfUnconsolidatedJointVenturesDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureInvestmentsInUnconsolidatedJointVenturesSummaryOfResultsOfOperationsOfUnconsolidatedJointVenturesDetails" roleURI="http://www.mack-cali.com/role/DisclosureInvestmentsInUnconsolidatedJointVenturesSummaryOfResultsOfOperationsOfUnconsolidatedJointVenturesDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureDeferredChargesGoodwillAndOtherAssetsNetScheduleOfDeferredChargesGoodwillAndOtherAssetsDetails" roleURI="http://www.mack-cali.com/role/DisclosureDeferredChargesGoodwillAndOtherAssetsNetScheduleOfDeferredChargesGoodwillAndOtherAssetsDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureRestrictedCashDetails" roleURI="http://www.mack-cali.com/role/DisclosureRestrictedCashDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureSeniorUnsecuredNotesSummaryOfSeniorUnsecuredNotesDetails" roleURI="http://www.mack-cali.com/role/DisclosureSeniorUnsecuredNotesSummaryOfSeniorUnsecuredNotesDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureMortgagesLoansPayableAndOtherObligationsSummaryOfMortgagesLoansPayableAndOtherObligationsDetails" roleURI="http://www.mack-cali.com/role/DisclosureMortgagesLoansPayableAndOtherObligationsSummaryOfMortgagesLoansPayableAndOtherObligationsDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureMortgagesLoansPayableAndOtherObligatonsScheduleOfPrincipalPaymentsDetails" roleURI="http://www.mack-cali.com/role/DisclosureMortgagesLoansPayableAndOtherObligatonsScheduleOfPrincipalPaymentsDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureMortgagesLoansPayableAndOtherObligatonsScheduleOfPrincipalPaymentsDetailsAlterCalculation" roleURI="http://www.mack-cali.com/role/DisclosureMortgagesLoansPayableAndOtherObligatonsScheduleOfPrincipalPaymentsDetailsAlterCalculation" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureCommitmentsAndContingenciesFutureMinimumRentalPaymentsOfGroundLeasesDetails" roleURI="http://www.mack-cali.com/role/DisclosureCommitmentsAndContingenciesFutureMinimumRentalPaymentsOfGroundLeasesDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureTenantLeasesDetails" roleURI="http://www.mack-cali.com/role/DisclosureTenantLeasesDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureMackCaliRealtyCorporationStockholdersEquityAndMackCaliRealtyLpSPartnersCapitalScheduleOfReconciliationOfSharesUsedInBasicEpsCalculationToSharesUsedInDilutedEpsCalculationDetails" roleURI="http://www.mack-cali.com/role/DisclosureMackCaliRealtyCorporationStockholdersEquityAndMackCaliRealtyLpSPartnersCapitalScheduleOfReconciliationOfSharesUsedInBasicEpsCalculationToSharesUsedInDilutedEpsCalculationDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#DisclosureCondensedQuarterlyFinancialInformationDetails" roleURI="http://www.mack-cali.com/role/DisclosureCondensedQuarterlyFinancialInformationDetails" />
  <roleRef xlink:type="simple" xlink:href="cli-20161231.xsd#ScheduleRealEstateInvestmentsAndAccumulatedDepreciationScheduleOfRealEstateInvestmentsAndAccumulatedDepreciationDetails" roleURI="http://www.mack-cali.com/role/ScheduleRealEstateInvestmentsAndAccumulatedDepreciationScheduleOfRealEstateInvestmentsAndAccumulatedDepreciationDetails" />
  <calculationLink xlink:role="http://www.mack-cali.com/role/StatementConsolidatedBalanceSheets" xlink:type="extended" xlink:title="00100 - Statement - Consolidated Balance Sheets">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_634080736669198800" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity_634080736669198800" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_636238044108510161" order="1" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_636238044108510161" xlink:to="us-gaap_MinorityInterest_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinorityInterestInJointVentures" xlink:label="us-gaap_MinorityInterestInJointVentures_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_MinorityInterest_636238044108510161" xlink:to="us-gaap_MinorityInterestInJointVentures_636238044108510161" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinorityInterestInOperatingPartnerships" xlink:label="us-gaap_MinorityInterestInOperatingPartnerships_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_MinorityInterest_636238044108510161" xlink:to="us-gaap_MinorityInterestInOperatingPartnerships_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_636238044108510161" xlink:to="us-gaap_StockholdersEquity_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_636238044108510161" xlink:to="us-gaap_AdditionalPaidInCapital_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_636238044108510161" xlink:to="us-gaap_CommonStockValue_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_636238044108510161" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_636238044108510161" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_636238044108510161" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_636238044108510161" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity_634080736669198800" xlink:to="us-gaap_Liabilities_636238044108510161" order="2" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeniorNotes" xlink:label="us-gaap_SeniorNotes_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636238044108510161" xlink:to="us-gaap_SeniorNotes_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636238044108510161" xlink:to="us-gaap_LineOfCredit_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SecuredDebt" xlink:label="us-gaap_SecuredDebt_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636238044108510161" xlink:to="us-gaap_SecuredDebt_636238044108510161" order="3" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636238044108510161" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_636238044108510161" order="4" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent" xlink:label="us-gaap_DividendsPayableCurrentAndNoncurrent_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636238044108510161" xlink:to="us-gaap_DividendsPayableCurrentAndNoncurrent_636238044108510161" order="5" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestPayableCurrentAndNoncurrent" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636238044108510161" xlink:to="us-gaap_InterestPayableCurrentAndNoncurrent_636238044108510161" order="6" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_RentsReceivedInAdvanceAndSecurityDeposits" xlink:label="cli_RentsReceivedInAdvanceAndSecurityDeposits_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636238044108510161" xlink:to="cli_RentsReceivedInAdvanceAndSecurityDeposits_636238044108510161" order="7" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_NetInvestmentInRentalPropertyAndRentalPropertyHeldForSale" xlink:label="cli_NetInvestmentInRentalPropertyAndRentalPropertyHeldForSale_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="cli_NetInvestmentInRentalPropertyAndRentalPropertyHeldForSale_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="us-gaap_RealEstateInvestmentPropertyNet_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NetInvestmentInRentalPropertyAndRentalPropertyHeldForSale_636238044108510161" xlink:to="us-gaap_RealEstateInvestmentPropertyNet_636238044108510161" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:label="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateInvestmentPropertyNet_636238044108510161" xlink:to="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_636238044108510161" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="us-gaap_RealEstateInvestmentPropertyAtCost_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateInvestmentPropertyNet_636238044108510161" xlink:to="us-gaap_RealEstateInvestmentPropertyAtCost_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentBuildingAndBuildingImprovements" xlink:label="us-gaap_InvestmentBuildingAndBuildingImprovements_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateInvestmentPropertyAtCost_636238044108510161" xlink:to="us-gaap_InvestmentBuildingAndBuildingImprovements_636238044108510161" order="1" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Land" xlink:label="us-gaap_Land_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateInvestmentPropertyAtCost_636238044108510161" xlink:to="us-gaap_Land_636238044108510161" order="2" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TenantImprovements" xlink:label="us-gaap_TenantImprovements_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateInvestmentPropertyAtCost_636238044108510161" xlink:to="us-gaap_TenantImprovements_636238044108510161" order="3" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FixturesAndEquipmentGross" xlink:label="us-gaap_FixturesAndEquipmentGross_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateInvestmentPropertyAtCost_636238044108510161" xlink:to="us-gaap_FixturesAndEquipmentGross_636238044108510161" order="4" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateHeldforsale" xlink:label="us-gaap_RealEstateHeldforsale_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NetInvestmentInRentalPropertyAndRentalPropertyHeldForSale_636238044108510161" xlink:to="us-gaap_RealEstateHeldforsale_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_636238044108510161" order="2" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_636238044108510161" order="3" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_OtherAssets_636238044108510161" order="4" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_RestrictedCashAndCashEquivalents_636238044108510161" order="5" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredRentReceivablesNet" xlink:label="us-gaap_DeferredRentReceivablesNet_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_DeferredRentReceivablesNet_636238044108510161" order="6" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:label="us-gaap_AccountsReceivableNet_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_AccountsReceivableNet_636238044108510161" order="7" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/StatementConsolidatedBalanceSheetsAltCalc" xlink:type="extended" xlink:title="00100 - Statement - Consolidated Balance Sheets (Alt Calc)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PartnersCapitalAttributableToNoncontrollingInterest" xlink:label="us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PartnersCapital" xlink:label="us-gaap_PartnersCapital_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_PartnersCapital_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralPartnersCapitalAccount" xlink:label="us-gaap_GeneralPartnersCapitalAccount_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PartnersCapital_636238044108510161" xlink:to="us-gaap_GeneralPartnersCapitalAccount_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LimitedPartnersCapitalAccount" xlink:label="us-gaap_LimitedPartnersCapitalAccount_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PartnersCapital_636238044108510161" xlink:to="us-gaap_LimitedPartnersCapitalAccount_636238044108510161" order="2" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/StatementConsolidatedStatementsOfOperations" xlink:type="extended" xlink:title="00200 - Statement - Consolidated Statements Of Operations">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_NetIncomeLoss" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable" xlink:label="us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetIncomeLoss" xlink:to="us-gaap_NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable_636238044108510161" order="1" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersNonredeemable" xlink:label="us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersNonredeemable_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetIncomeLoss" xlink:to="us-gaap_NoncontrollingInterestInNetIncomeLossJointVenturePartnersNonredeemable_636238044108510161" order="2" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetIncomeLoss" xlink:to="us-gaap_ProfitLoss_636238044108510161" order="3" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments" xlink:label="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ProfitLoss_636238044108510161" xlink:to="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" order="1" use="optional" weight="1" priority="4" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" xlink:to="us-gaap_InterestExpense_636238044108510161" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_InvestmentIncomeLossNonoperating" xlink:label="cli_InvestmentIncomeLossNonoperating_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" xlink:to="cli_InvestmentIncomeLossNonoperating_636238044108510161" order="2" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments_636238044108510161" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_GainLossOnChangeOfControlOfInterests" xlink:label="cli_GainLossOnChangeOfControlOfInterests_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" xlink:to="cli_GainLossOnChangeOfControlOfInterests_636238044108510161" order="4" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnSaleOfInvestments" xlink:label="us-gaap_GainLossOnSaleOfInvestments_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" xlink:to="us-gaap_GainLossOnSaleOfInvestments_636238044108510161" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="us-gaap_GainLossOnDispositionOfAssets_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" xlink:to="us-gaap_GainLossOnDispositionOfAssets_636238044108510161" order="6" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ExtinguishmentOfDebtGainLossNetOfTax" xlink:label="us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_NonoperatingIncomeExpenseIncludingEquityMethodInvestments_636238044108510161" xlink:to="us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_636238044108510161" order="7" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ProfitLoss_636238044108510161" xlink:to="us-gaap_OperatingIncomeLoss_636238044108510161" order="2" use="optional" weight="1" priority="4" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="us-gaap_RealEstateRevenueNet_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_636238044108510161" xlink:to="us-gaap_RealEstateRevenueNet_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesIncomeStatementLeaseRevenue" xlink:label="us-gaap_OperatingLeasesIncomeStatementLeaseRevenue_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateRevenueNet_636238044108510161" xlink:to="us-gaap_OperatingLeasesIncomeStatementLeaseRevenue_636238044108510161" order="1" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TenantReimbursements" xlink:label="us-gaap_TenantReimbursements_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateRevenueNet_636238044108510161" xlink:to="us-gaap_TenantReimbursements_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherRealEstateRevenue" xlink:label="us-gaap_OtherRealEstateRevenue_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateRevenueNet_636238044108510161" xlink:to="us-gaap_OtherRealEstateRevenue_636238044108510161" order="3" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherOperatingIncome" xlink:label="us-gaap_OtherOperatingIncome_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateRevenueNet_636238044108510161" xlink:to="us-gaap_OtherOperatingIncome_636238044108510161" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ParkingRevenue" xlink:label="us-gaap_ParkingRevenue_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateRevenueNet_636238044108510161" xlink:to="us-gaap_ParkingRevenue_636238044108510161" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_636238044108510161" xlink:to="us-gaap_CostsAndExpenses_636238044108510161" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateTaxExpense" xlink:label="us-gaap_RealEstateTaxExpense_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_636238044108510161" xlink:to="us-gaap_RealEstateTaxExpense_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UtilitiesCosts" xlink:label="us-gaap_UtilitiesCosts_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_636238044108510161" xlink:to="us-gaap_UtilitiesCosts_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="us-gaap_OperatingCostsAndExpenses_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_636238044108510161" xlink:to="us-gaap_OperatingCostsAndExpenses_636238044108510161" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_636238044108510161" xlink:to="us-gaap_GeneralAndAdministrativeExpense_636238044108510161" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_AcquisitionRelatedCosts" xlink:label="cli_AcquisitionRelatedCosts_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_636238044108510161" xlink:to="cli_AcquisitionRelatedCosts_636238044108510161" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_636238044108510161" xlink:to="us-gaap_DepreciationAndAmortization_636238044108510161" order="6" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_CostsOfRealEstateServices" xlink:label="cli_CostsOfRealEstateServices_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_636238044108510161" xlink:to="cli_CostsOfRealEstateServices_636238044108510161" order="7" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_636238044108510161" xlink:to="us-gaap_AssetImpairmentCharges_636238044108510161" order="8" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="extended" xlink:title="00300 - Statement - Consolidated Statements Of Comprehensive Income (Loss)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_636238044108510161" xlink:to="us-gaap_ProfitLoss_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_636238044108510161" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestJointVenturePartnersNonredeemable" xlink:label="cli_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestJointVenturePartnersNonredeemable_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="cli_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestJointVenturePartnersNonredeemable_636238044108510161" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestOperatingPartnershipsNonredeemable" xlink:label="cli_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestOperatingPartnershipsNonredeemable_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="cli_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestOperatingPartnershipsNonredeemable_636238044108510161" order="3" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/StatementConsolidatedStatementsOfCashFlows" xlink:type="extended" xlink:title="00500 - Statement - Consolidated Statements Of Cash Flows">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_633985449068120201" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_633985449068120201" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" order="1" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_ProfitLoss_636238044108510161" order="1" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_DepreciationDepletionAndAmortization_636238044108510161" order="2" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_AmortizationOfShareBasedCompensation" xlink:label="cli_AmortizationOfShareBasedCompensation_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_AmortizationOfShareBasedCompensation_636238044108510161" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:label="us-gaap_WriteOffOfDeferredDebtIssuanceCost_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_WriteOffOfDeferredDebtIssuanceCost_636238044108510161" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_AmortizationOfFinancingCostsAndDiscounts_636238044108510161" order="5" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_EquityMethodInvestmentDividendsOrDistributions_636238044108510161" order="6" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_AssetImpairmentCharges_636238044108510161" order="7" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments_636238044108510161" order="8" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_GainLossOnChangeOfControlOfInterests" xlink:label="cli_GainLossOnChangeOfControlOfInterests_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_GainLossOnChangeOfControlOfInterests_636238044108510161" order="9" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_636238044108510161" order="10" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnSaleOfInvestments" xlink:label="us-gaap_GainLossOnSaleOfInvestments_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_GainLossOnSaleOfInvestments_636238044108510161" order="11" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_IncreaseDecreaseInUnbilledRentReceivables" xlink:label="cli_IncreaseDecreaseInUnbilledRentReceivables_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_IncreaseDecreaseInUnbilledRentReceivables_636238044108510161" order="12" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_RealizedGainsLossOnDispositionOfAssetsIncludingDiscontinuedOperations" xlink:label="cli_RealizedGainsLossOnDispositionOfAssetsIncludingDiscontinuedOperations_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_RealizedGainsLossOnDispositionOfAssetsIncludingDiscontinuedOperations_636238044108510161" order="13" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingAssets_636238044108510161" order="14" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInLeasingReceivables" xlink:label="us-gaap_IncreaseDecreaseInLeasingReceivables_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_IncreaseDecreaseInLeasingReceivables_636238044108510161" order="15" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_636238044108510161" order="16" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_IncreaseDecreaseInRentsReceivedInAdvanceAndSecurityDeposits" xlink:label="cli_IncreaseDecreaseInRentsReceivedInAdvanceAndSecurityDeposits_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_IncreaseDecreaseInRentsReceivedInAdvanceAndSecurityDeposits_636238044108510161" order="17" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:label="us-gaap_IncreaseDecreaseInInterestPayableNet_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_IncreaseDecreaseInInterestPayableNet_636238044108510161" order="18" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_AmortizationOfDeferredStockUnits" xlink:label="cli_AmortizationOfDeferredStockUnits_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_AmortizationOfDeferredStockUnits_636238044108510161" order="19" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAmortizationOfDeferredCharges" xlink:label="us-gaap_OtherAmortizationOfDeferredCharges_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_OtherAmortizationOfDeferredCharges_636238044108510161" order="20" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_633985449068120201" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" order="2" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToDevelopRealEstateAssets" xlink:label="us-gaap_PaymentsToDevelopRealEstateAssets_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_PaymentsToDevelopRealEstateAssets_636238044108510161" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireAndDevelopRealEstate" xlink:label="us-gaap_PaymentsToAcquireAndDevelopRealEstate_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_PaymentsToAcquireAndDevelopRealEstate_636238044108510161" order="2" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DistributionsInExcessOfCumulativeEarningsFromJvs" xlink:label="cli_DistributionsInExcessOfCumulativeEarningsFromJvs_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_DistributionsInExcessOfCumulativeEarningsFromJvs_636238044108510161" order="3" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireInterestInJointVenture" xlink:label="us-gaap_PaymentsToAcquireInterestInJointVenture_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_PaymentsToAcquireInterestInJointVenture_636238044108510161" order="4" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleOfBuildings" xlink:label="us-gaap_ProceedsFromSaleOfBuildings_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_ProceedsFromSaleOfBuildings_636238044108510161" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_636238044108510161" order="6" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromDivestitureOfInterestInJointVenture" xlink:label="us-gaap_ProceedsFromDivestitureOfInterestInJointVenture_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_ProceedsFromDivestitureOfInterestInJointVenture_636238044108510161" order="7" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireNotesReceivable" xlink:label="us-gaap_PaymentsToAcquireNotesReceivable_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_PaymentsToAcquireNotesReceivable_636238044108510161" order="8" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromCollectionOfLoansReceivable" xlink:label="us-gaap_ProceedsFromCollectionOfLoansReceivable_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_ProceedsFromCollectionOfLoansReceivable_636238044108510161" order="9" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_IncreaseDecreaseInRestrictedCash_636238044108510161" order="10" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_633985449068120201" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" order="3" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromUnsecuredLinesOfCredit" xlink:label="us-gaap_ProceedsFromUnsecuredLinesOfCredit_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_ProceedsFromUnsecuredLinesOfCredit_636238044108510161" order="1" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_RepaymentsOfLinesOfCredit_636238044108510161" order="2" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfSecuredDebt" xlink:label="us-gaap_RepaymentsOfSecuredDebt_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_RepaymentsOfSecuredDebt_636238044108510161" order="3" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_PaymentsToAcquireMinorityInterest" xlink:label="cli_PaymentsToAcquireMinorityInterest_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_PaymentsToAcquireMinorityInterest_636238044108510161" order="4" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfUnsecuredDebt" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_RepaymentsOfUnsecuredDebt_636238044108510161" order="5" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="us-gaap_PaymentsOfFinancingCosts_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_PaymentsOfFinancingCosts_636238044108510161" order="6" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfCapitalDistribution" xlink:label="us-gaap_PaymentsOfCapitalDistribution_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_PaymentsOfCapitalDistribution_636238044108510161" order="7" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfSecuredDebt_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_ProceedsFromIssuanceOfSecuredDebt_636238044108510161" order="8" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_ProceedsFromUnsecuredTermLoan" xlink:label="cli_ProceedsFromUnsecuredTermLoan_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_ProceedsFromUnsecuredTermLoan_636238044108510161" order="9" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="us-gaap_ProceedsFromMinorityShareholders_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="us-gaap_ProceedsFromMinorityShareholders_636238044108510161" order="10" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_BusinessAcquisitionContingentConsiderationCashPaid" xlink:label="cli_BusinessAcquisitionContingentConsiderationCashPaid_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_636238044108510161" xlink:to="cli_BusinessAcquisitionContingentConsiderationCashPaid_636238044108510161" order="11" use="optional" weight="-1" priority="3" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureRecentTransactionsScheduleOfPurchasePriceAllocationDetails" xlink:type="extended" xlink:title="40309 - Disclosure - Recent Transactions (Schedule Of Purchase Price Allocation) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108510161" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings_636238044108510161" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108510161" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_636238044108510161" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAboveMarketLeases" xlink:label="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAboveMarketLeases_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108510161" xlink:to="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAboveMarketLeases_636238044108510161" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108510161" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_636238044108510161" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInPlaceLeases" xlink:label="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInPlaceLeases_636238044108510161" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108510161" xlink:to="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInPlaceLeases_636238044108510161" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBelowMarketLeases" xlink:label="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBelowMarketLeases_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:to="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBelowMarketLeases_636238044108666163" order="2" use="optional" weight="-1" priority="4" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureRecentTransactionsScheduleOfDispositionsRentalPropertyHeldForSaleDetailsAltCalc" xlink:type="extended" xlink:title="40311 - Disclosure - Recent Transactions (Schedule Of Dispositions/Rental Property Held For Sale) (Details) (Alt Calc)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" xlink:label="us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNetValue" xlink:label="cli_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNetValue_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" xlink:to="cli_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNetValue_636238044108666163" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment" xlink:label="us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" xlink:to="us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_636238044108666163" order="2" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureRecentTransactionsScheduleOfNetAssetsRecordedUponConsolidationDetails" xlink:type="extended" xlink:title="40311 - Disclosure - Recent Transactions (Schedule Of Net Assets Recorded Upon Consolidation) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_636238044108666163" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108666163" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_636238044108666163" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108666163" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBelowMarketLeases" xlink:label="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBelowMarketLeases_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108666163" xlink:to="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBelowMarketLeases_636238044108666163" order="3" use="optional" weight="-1" priority="4" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108666163" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment_636238044108666163" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108666163" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_636238044108666163" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInPlaceLeases" xlink:label="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInPlaceLeases_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_636238044108666163" xlink:to="cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInPlaceLeases_636238044108666163" order="6" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureRecentTransactionsScheduleOfDispositionsRentalPropertyHeldForSaleDetails" xlink:type="extended" xlink:title="40312 - Disclosure - Recent Transactions (Schedule Of Dispositions/Rental Property Held For Sale) (Details)">
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_GainLossOnDispositionOfRealEstateDiscontinuedOperationsNetOfUnrealizedGainLosses" xlink:label="cli_GainLossOnDispositionOfRealEstateDiscontinuedOperationsNetOfUnrealizedGainLosses" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_GainLossOnDispositionOfRealEstateDiscontinuedOperationsNetOfUnrealizedGainLosses" xlink:to="us-gaap_UnrealizedGainLossOnInvestments_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations" xlink:label="us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_GainLossOnDispositionOfRealEstateDiscontinuedOperationsNetOfUnrealizedGainLosses" xlink:to="us-gaap_GainLossOnDispositionOfRealEstateDiscontinuedOperations_636238044108666163" order="2" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureRecentTransactionsSummaryOfIncomeFromPropertyHeldForSaleNetDetails" xlink:type="extended" xlink:title="40313 - Disclosure - Recent Transactions (Summary Of Income From Property Held For Sale, Net) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateHeldforsale" xlink:label="us-gaap_RealEstateHeldforsale" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_BuildingsAndImprovementsAvailableForSale" xlink:label="cli_BuildingsAndImprovementsAvailableForSale_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateHeldforsale" xlink:to="cli_BuildingsAndImprovementsAvailableForSale_636238044108666163" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LandAvailableForSale" xlink:label="us-gaap_LandAvailableForSale_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateHeldforsale" xlink:to="us-gaap_LandAvailableForSale_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:label="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateHeldforsale" xlink:to="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_636238044108666163" order="3" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_UnrealizedGainLossOnInvestmentsHeldForSale" xlink:label="cli_UnrealizedGainLossOnInvestmentsHeldForSale_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateHeldforsale" xlink:to="cli_UnrealizedGainLossOnInvestmentsHeldForSale_636238044108666163" order="4" use="optional" weight="-1" priority="3" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureRecentTransactionsSummaryOfIncomeLossFromPropertiesDisposedDetails" xlink:type="extended" xlink:title="40314 - Disclosure - Recent Transactions (Summary Of Income (Loss) From Properties Disposed) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="us-gaap_GainLossOnDispositionOfAssets_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_GainLossOnDispositionOfAssets_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_AssetImpairmentCharges_636238044108666163" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_636238044108666163" xlink:to="us-gaap_DepreciationAndAmortization_636238044108666163" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_636238044108666163" xlink:to="us-gaap_OperatingExpenses_636238044108666163" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="us-gaap_RealEstateRevenueNet_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_636238044108666163" xlink:to="us-gaap_RealEstateRevenueNet_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_636238044108666163" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_636238044108666163" order="4" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureInvestmentsInUnconsolidatedJointVenturesSummaryOfFinancialPositionOfUnconsolidatedJointVenturesDetails" xlink:type="extended" xlink:title="40405 - Disclosure - Investments In Unconsolidated Joint Ventures (Summary Of Financial Position Of Unconsolidated Joint Ventures) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets" xlink:label="cli_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets" xlink:to="cli_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_EquityMethodInvestmentSummarizedFinancialInformationRentalPropertyNet" xlink:label="cli_EquityMethodInvestmentSummarizedFinancialInformationRentalPropertyNet_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets" xlink:to="cli_EquityMethodInvestmentSummarizedFinancialInformationRentalPropertyNet_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity" xlink:to="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities" xlink:label="cli_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity" xlink:to="cli_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebt" xlink:label="cli_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebt_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity" xlink:to="cli_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebt_636238044108666163" order="3" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureInvestmentsInUnconsolidatedJointVenturesSummaryOfResultsOfOperationsOfUnconsolidatedJointVenturesDetails" xlink:type="extended" xlink:title="40406 - Disclosure - Investments In Unconsolidated Joint Ventures (Summary Of Results Of Operations Of Unconsolidated Joint Ventures) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" xlink:label="cli_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:to="cli_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_636238044108666163" order="1" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense" xlink:label="cli_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:to="cli_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_636238044108666163" order="2" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:to="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOther" xlink:label="cli_EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOther_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:to="cli_EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOther_636238044108666163" order="4" use="optional" weight="-1" priority="3" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureDeferredChargesGoodwillAndOtherAssetsNetScheduleOfDeferredChargesGoodwillAndOtherAssetsDetails" xlink:type="extended" xlink:title="40502 - Disclosure - Deferred Charges, Goodwill And Other Assets, Net (Schedule Of Deferred Charges, Goodwill And Other Assets) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCosts" xlink:label="us-gaap_DeferredCosts_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_DeferredCosts_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DeferredCostsGross" xlink:label="cli_DeferredCostsGross_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DeferredCosts_636238044108666163" xlink:to="cli_DeferredCostsGross_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCostsLeasingGross" xlink:label="us-gaap_DeferredCostsLeasingGross_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DeferredCostsGross_636238044108666163" xlink:to="us-gaap_DeferredCostsLeasingGross_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredFinanceCostsGross" xlink:label="us-gaap_DeferredFinanceCostsGross_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DeferredCostsGross_636238044108666163" xlink:to="us-gaap_DeferredFinanceCostsGross_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_AccumulatedAmortizationLeasingAndFinancingCosts" xlink:label="cli_AccumulatedAmortizationLeasingAndFinancingCosts_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DeferredCosts_636238044108666163" xlink:to="cli_AccumulatedAmortizationLeasingAndFinancingCosts_636238044108666163" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_PrepaidExpenseAndOtherAssets_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeases" xlink:label="us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeases_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeases_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_Goodwill_636238044108666163" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_LoansAndLeasesReceivableNetReportedAmount_636238044108666163" order="5" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureRestrictedCashDetails" xlink:type="extended" xlink:title="40601 - Disclosure - Restricted Cash (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="us-gaap_RestrictedCashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EscrowDeposit" xlink:label="us-gaap_EscrowDeposit_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RestrictedCashAndCashEquivalents" xlink:to="us-gaap_EscrowDeposit_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SecurityDeposit" xlink:label="us-gaap_SecurityDeposit_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RestrictedCashAndCashEquivalents" xlink:to="us-gaap_SecurityDeposit_636238044108666163" order="2" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureSeniorUnsecuredNotesSummaryOfSeniorUnsecuredNotesDetails" xlink:type="extended" xlink:title="40802 - Disclosure - Senior Unsecured Notes (Summary Of Senior Unsecured Notes) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_DebtInstrumentUnamortizedDiscount_636238044108666163" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_DebtInstrumentCarryingAmount_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_UnamortizedDeferredFinancingCosts" xlink:label="cli_UnamortizedDeferredFinancingCosts_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="cli_UnamortizedDeferredFinancingCosts_636238044108666163" order="3" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureMortgagesLoansPayableAndOtherObligationsSummaryOfMortgagesLoansPayableAndOtherObligationsDetails" xlink:type="extended" xlink:title="41102 - Disclosure - Mortgages, Loans Payable And Other Obligations (Summary Of Mortgages, Loans Payable And Other Obligations) (Details)">
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtLoansPayableAndOtherObligationsNet" xlink:label="cli_DebtLoansPayableAndOtherObligationsNet" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtLoansPayableAndOtherObligationsNet" xlink:to="us-gaap_DebtInstrumentUnamortizedDiscount_636238044108666163" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtLoansPayableAndOtherObligationsNet" xlink:to="us-gaap_DebtInstrumentCarryingAmount_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_UnamortizedDeferredFinancingCosts" xlink:label="cli_UnamortizedDeferredFinancingCosts_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtLoansPayableAndOtherObligationsNet" xlink:to="cli_UnamortizedDeferredFinancingCosts_636238044108666163" order="3" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureMortgagesLoansPayableAndOtherObligatonsScheduleOfPrincipalPaymentsDetails" xlink:type="extended" xlink:title="41103 - Disclosure - Mortgages, Loans Payable And Other Obligatons (Schedule Of Principal Payments) (Details)">
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtInstrumentUnamortizedPremiumAndPrincipalCosts" xlink:label="cli_DebtInstrumentUnamortizedPremiumAndPrincipalCosts" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtInstrumentUnamortizedDiscountCosts" xlink:label="cli_DebtInstrumentUnamortizedDiscountCosts_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtInstrumentUnamortizedPremiumAndPrincipalCosts" xlink:to="cli_DebtInstrumentUnamortizedDiscountCosts_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalAfterYearFive" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalAfterYearFive" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationThereafter" xlink:label="cli_DebtDiscountPremiumFutureAmortizationThereafter_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalAfterYearFive" xlink:to="cli_DebtDiscountPremiumFutureAmortizationThereafter_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalAfterYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationGross" xlink:label="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross" xlink:to="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross" xlink:label="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross" xlink:to="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFive" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFive" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearFive" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearFive_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFive" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearFive_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFour" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFour" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearFour" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearFour_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFour" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearFour_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearOne" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearOne" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearOne" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearOne_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearOne" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearOne_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearOne" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearThree" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearThree" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearThree" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearThree_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearThree" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearThree_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearTwo" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearTwo" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearTwo" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearTwo_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearTwo" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearTwo_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationNet" xlink:label="cli_DebtDiscountPremiumFutureAmortizationNet_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="cli_DebtDiscountPremiumFutureAmortizationNet_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtMaturitiesRepaymentsOfPrincipal" xlink:label="cli_LongTermDebtMaturitiesRepaymentsOfPrincipal_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="cli_LongTermDebtMaturitiesRepaymentsOfPrincipal_636238044108666163" order="2" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureMortgagesLoansPayableAndOtherObligatonsScheduleOfPrincipalPaymentsDetailsAlterCalculation" xlink:type="extended" xlink:title="41103 - Disclosure - Mortgages, Loans Payable And Other Obligatons (Schedule Of Principal Payments) (Details) (Alter Calculation)">
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationNet" xlink:label="cli_DebtDiscountPremiumFutureAmortizationNet" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationGross" xlink:label="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationNet" xlink:to="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearFive" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearFive_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearFive_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearFour" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearFour_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearFour_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearOne" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearOne_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearOne_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearThree" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearThree_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearThree_636238044108666163" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationYearTwo" xlink:label="cli_DebtDiscountPremiumFutureAmortizationYearTwo_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" xlink:to="cli_DebtDiscountPremiumFutureAmortizationYearTwo_636238044108666163" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtDiscountPremiumFutureAmortizationThereafter" xlink:label="cli_DebtDiscountPremiumFutureAmortizationThereafter_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationGross_636238044108666163" xlink:to="cli_DebtDiscountPremiumFutureAmortizationThereafter_636238044108666163" order="6" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationNet" xlink:to="us-gaap_DebtInstrumentUnamortizedDiscount_636238044108666163" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtInstrumentUnamortizedDiscountCosts" xlink:label="cli_DebtInstrumentUnamortizedDiscountCosts_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_DebtDiscountPremiumFutureAmortizationNet" xlink:to="cli_DebtInstrumentUnamortizedDiscountCosts_636238044108666163" order="3" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtMaturitiesRepaymentsOfPrincipal" xlink:label="cli_LongTermDebtMaturitiesRepaymentsOfPrincipal" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross" xlink:label="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtMaturitiesRepaymentsOfPrincipal" xlink:to="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_636238044108666163" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_636238044108666163" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_636238044108666163" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_636238044108666163" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_DebtInstrumentUnamortizedPremiumAndPrincipalCosts" xlink:label="cli_DebtInstrumentUnamortizedPremiumAndPrincipalCosts_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="cli_DebtInstrumentUnamortizedPremiumAndPrincipalCosts_636238044108666163" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalAfterYearFive" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalAfterYearFive_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross_636238044108666163" xlink:to="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalAfterYearFive_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFive" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFive_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross_636238044108666163" xlink:to="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFive_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFour" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFour_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross_636238044108666163" xlink:to="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearFour_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearOne" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearOne_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross_636238044108666163" xlink:to="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearOne_636238044108666163" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearThree" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearThree_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross_636238044108666163" xlink:to="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearThree_636238044108666163" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearTwo" xlink:label="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearTwo_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalGross_636238044108666163" xlink:to="cli_LongTermDebtAmortizationAndRepaymentsOfPrincipalYearTwo_636238044108666163" order="6" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureCommitmentsAndContingenciesFutureMinimumRentalPaymentsOfGroundLeasesDetails" xlink:type="extended" xlink:title="41408 - Disclosure - Commitments And Contingencies (Future Minimum Rental Payments Of Ground Leases) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_636238044108666163" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_636238044108666163" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_636238044108666163" order="6" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureTenantLeasesDetails" xlink:type="extended" xlink:title="41501 - Disclosure - Tenant Leases (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_636238044108666163" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_636238044108666163" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_636238044108666163" order="6" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureMackCaliRealtyCorporationStockholdersEquityAndMackCaliRealtyLpSPartnersCapitalScheduleOfReconciliationOfSharesUsedInBasicEpsCalculationToSharesUsedInDilutedEpsCalculationDetails" xlink:type="extended" xlink:title="41612 - Disclosure - Mack-Cali Realty Corporation Stockholders' Equity And Mack-Cali Realty, L.P.'s Partners' Capital (Schedule Of Reconciliation Of Shares Used In Basic EPS Calculation To Shares Used In Diluted EPS Calculation) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_CommonUnits" xlink:label="cli_CommonUnits_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="cli_CommonUnits_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_RestrictedStockAwardsShares" xlink:label="cli_RestrictedStockAwardsShares_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="cli_RestrictedStockAwardsShares_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_StockOptions" xlink:label="cli_StockOptions_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="cli_StockOptions_636238044108666163" order="4" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/DisclosureCondensedQuarterlyFinancialInformationDetails" xlink:type="extended" xlink:title="42001 - Disclosure - Condensed Quarterly Financial Information (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses" xlink:to="us-gaap_GeneralAndAdministrativeExpense_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_AcquisitionRelatedCosts" xlink:label="cli_AcquisitionRelatedCosts_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses" xlink:to="cli_AcquisitionRelatedCosts_636238044108666163" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses" xlink:to="us-gaap_DepreciationAndAmortization_636238044108666163" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_OperatingAndOtherExpenses" xlink:label="cli_OperatingAndOtherExpenses_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses" xlink:to="cli_OperatingAndOtherExpenses_636238044108666163" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses" xlink:to="us-gaap_AssetImpairmentCharges_636238044108666163" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="cli-20161231.xsd#cli_RealEstateServiceSalaries" xlink:label="cli_RealEstateServiceSalaries_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses" xlink:to="cli_RealEstateServiceSalaries_636238044108666163" order="6" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://www.mack-cali.com/role/ScheduleRealEstateInvestmentsAndAccumulatedDepreciationScheduleOfRealEstateInvestmentsAndAccumulatedDepreciationDetails" xlink:type="extended" xlink:title="42101 - Schedule - Real Estate Investments And Accumulated Depreciation (Schedule Of Real Estate Investments And Accumulated Depreciation) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateGrossAtCarryingValue" xlink:label="us-gaap_RealEstateGrossAtCarryingValue" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements" xlink:label="us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateGrossAtCarryingValue" xlink:to="us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements_636238044108666163" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand" xlink:label="us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_636238044108666163" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_RealEstateGrossAtCarryingValue" xlink:to="us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand_636238044108666163" order="2" use="optional" weight="1" priority="2" />
  </calculationLink>
</linkbase>
