<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated by Fujitsu Interstage XWand B0228 -->
<!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.5c -->
<!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
<!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <link:roleRef roleURI="http://starbulk.com/role/Cover" xlink:type="simple" xlink:href="sblk-20260630.xsd#Cover"/>
  <link:roleRef roleURI="http://starbulk.com/role/UnauditedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="sblk-20260630.xsd#UnauditedConsolidatedBalanceSheets"/>
  <link:roleRef roleURI="http://starbulk.com/role/UnauditedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="sblk-20260630.xsd#UnauditedConsolidatedBalanceSheetsParenthetical"/>
  <link:roleRef roleURI="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedIncomeStatements" xlink:type="simple" xlink:href="sblk-20260630.xsd#UnauditedInterimCondensedConsolidatedIncomeStatements"/>
  <link:roleRef roleURI="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="simple" xlink:href="sblk-20260630.xsd#UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss"/>
  <link:roleRef roleURI="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedStatementsOfStockholdersEquity" xlink:type="simple" xlink:href="sblk-20260630.xsd#UnauditedInterimCondensedConsolidatedStatementsOfStockholdersEquity"/>
  <link:roleRef roleURI="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="simple" xlink:href="sblk-20260630.xsd#UnauditedInterimCondensedConsolidatedStatementsOfStockholdersEquityParenthetical"/>
  <link:roleRef roleURI="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedStatementsOfCashFlows" xlink:type="simple" xlink:href="sblk-20260630.xsd#UnauditedInterimCondensedConsolidatedStatementsOfCashFlows"/>
  <link:roleRef roleURI="http://starbulk.com/role/BasisOfPresentationAndGeneralInformation" xlink:type="simple" xlink:href="sblk-20260630.xsd#BasisOfPresentationAndGeneralInformation"/>
  <link:roleRef roleURI="http://starbulk.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncements" xlink:type="simple" xlink:href="sblk-20260630.xsd#SignificantAccountingPoliciesAndRecentAccountingPronouncements"/>
  <link:roleRef roleURI="http://starbulk.com/role/TransactionsWithRelatedParties" xlink:type="simple" xlink:href="sblk-20260630.xsd#TransactionsWithRelatedParties"/>
  <link:roleRef roleURI="http://starbulk.com/role/EquityMethodInvestments" xlink:type="simple" xlink:href="sblk-20260630.xsd#EquityMethodInvestments"/>
  <link:roleRef roleURI="http://starbulk.com/role/Inventories" xlink:type="simple" xlink:href="sblk-20260630.xsd#Inventories"/>
  <link:roleRef roleURI="http://starbulk.com/role/VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstruction" xlink:type="simple" xlink:href="sblk-20260630.xsd#VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstruction"/>
  <link:roleRef roleURI="http://starbulk.com/role/OperatingLeases" xlink:type="simple" xlink:href="sblk-20260630.xsd#OperatingLeases"/>
  <link:roleRef roleURI="http://starbulk.com/role/LeaseFinancings" xlink:type="simple" xlink:href="sblk-20260630.xsd#LeaseFinancings"/>
  <link:roleRef roleURI="http://starbulk.com/role/Long-termBankLoansRevolvingFacilities" xlink:type="simple" xlink:href="sblk-20260630.xsd#Long-termBankLoansRevolvingFacilities"/>
  <link:roleRef roleURI="http://starbulk.com/role/PreferredAndCommonSharesAndAdditionalPaid-inCapital" xlink:type="simple" xlink:href="sblk-20260630.xsd#PreferredAndCommonSharesAndAdditionalPaid-inCapital"/>
  <link:roleRef roleURI="http://starbulk.com/role/EarningsPerShare" xlink:type="simple" xlink:href="sblk-20260630.xsd#EarningsPerShare"/>
  <link:roleRef roleURI="http://starbulk.com/role/EquityIncentivePlans" xlink:type="simple" xlink:href="sblk-20260630.xsd#EquityIncentivePlans"/>
  <link:roleRef roleURI="http://starbulk.com/role/CommitmentsAndContingencies" xlink:type="simple" xlink:href="sblk-20260630.xsd#CommitmentsAndContingencies"/>
  <link:roleRef roleURI="http://starbulk.com/role/FairValueMeasurementsAndHedging" xlink:type="simple" xlink:href="sblk-20260630.xsd#FairValueMeasurementsAndHedging"/>
  <link:roleRef roleURI="http://starbulk.com/role/OtherOperationalGain" xlink:type="simple" xlink:href="sblk-20260630.xsd#OtherOperationalGain"/>
  <link:roleRef roleURI="http://starbulk.com/role/VoyageRevenues" xlink:type="simple" xlink:href="sblk-20260630.xsd#VoyageRevenues"/>
  <link:roleRef roleURI="http://starbulk.com/role/SegmentReporting" xlink:type="simple" xlink:href="sblk-20260630.xsd#SegmentReporting"/>
  <link:roleRef roleURI="http://starbulk.com/role/SubsequentEvents" xlink:type="simple" xlink:href="sblk-20260630.xsd#SubsequentEvents"/>
  <link:roleRef roleURI="http://starbulk.com/role/InventoriesTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#InventoriesTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstructionTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstructionTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/OperatingLeasesTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#OperatingLeasesTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/LeaseFinancingsTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#LeaseFinancingsTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/Long-termBankLoansRevolvingFacilitiesTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#Long-termBankLoansRevolvingFacilitiesTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/EarningsPerShareTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#EarningsPerShareTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/EquityIncentivePlansTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#EquityIncentivePlansTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/CommitmentsAndContingenciesTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#CommitmentsAndContingenciesTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/FairValueMeasurementsAndHedgingTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#FairValueMeasurementsAndHedgingTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/VoyageRevenuesTables" xlink:type="simple" xlink:href="sblk-20260630.xsd#VoyageRevenuesTables"/>
  <link:roleRef roleURI="http://starbulk.com/role/BasisOfPresentationAndGeneralInformationDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#BasisOfPresentationAndGeneralInformationDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/TransactionsWithRelatedPartiesDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#TransactionsWithRelatedPartiesDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/EquityMethodInvestmentsDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#EquityMethodInvestmentsDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/InventoriesTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#InventoriesTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/VesselsAndOtherFixedAssetsNet-SchedulesOfVesselsAndOtherFixedAssetsNetTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#VesselsAndOtherFixedAssetsNet-SchedulesOfVesselsAndOtherFixedAssetsNetTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstruction-VesselsUnderConstructionTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstruction-VesselsUnderConstructionTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstructionDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstructionDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/OperatingLeases-OperatingLeaseLiabilitiesOfTimeCharter-inVesselAgreementsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#OperatingLeases-OperatingLeaseLiabilitiesOfTimeCharter-inVesselAgreementsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/OperatingLeases-OperatingLeaseLiabilitiesOfOfficeRentalAgreementsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#OperatingLeases-OperatingLeaseLiabilitiesOfOfficeRentalAgreementsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/OperatingLeasesDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#OperatingLeasesDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/LeaseFinancings-CapitalLeaseObligationsPrincipalPaymentsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#LeaseFinancings-CapitalLeaseObligationsPrincipalPaymentsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/Long-termBankLoans-PrincipalRepaymentsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#Long-termBankLoans-PrincipalRepaymentsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/Long-termBankLoans-InterestAndFinanceCostsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#Long-termBankLoans-InterestAndFinanceCostsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/Long-termBankLoansRevolvingFacilitiesDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#Long-termBankLoansRevolvingFacilitiesDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/PreferredAndCommonSharesAndAdditionalPaid-inCapitalDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#PreferredAndCommonSharesAndAdditionalPaid-inCapitalDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/EarningPerShareTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#EarningPerShareTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/EquityIncentivePlans-SummaryOfNon-vestedRestrictedShareOptionsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#EquityIncentivePlans-SummaryOfNon-vestedRestrictedShareOptionsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/EquityIncentivePlansDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#EquityIncentivePlansDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/CommitmentsAndContingencies-CharterPartyAgreementsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#CommitmentsAndContingencies-CharterPartyAgreementsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/CommitmentsAndContingencies-OtherCommitmentsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#CommitmentsAndContingencies-OtherCommitmentsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/FairValueMeasurementsAndHedging-DerivativeInstrumentsEffectOnStatementsOfOperationsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#FairValueMeasurementsAndHedging-DerivativeInstrumentsEffectOnStatementsOfOperationsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/FairValueMeasurementsAndHedging-FairValueOnRecurringBasis-QuotedPricesInActiveMarketsTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#FairValueMeasurementsAndHedging-FairValueOnRecurringBasis-QuotedPricesInActiveMarketsTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/FairValueMeasurementsAndHedging-AmortizedCostAndFairValueOfAfsDebtSecuritiesTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#FairValueMeasurementsAndHedging-AmortizedCostAndFairValueOfAfsDebtSecuritiesTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/FairValueMeasurementsAndHedgingDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#FairValueMeasurementsAndHedgingDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/OtherOperationalGainDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#OtherOperationalGainDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/VoyageRevenuesTableDetails" xlink:type="simple" xlink:href="sblk-20260630.xsd#VoyageRevenuesTableDetails"/>
  <link:roleRef roleURI="http://starbulk.com/role/VoyageRevenuesDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#VoyageRevenuesDetailsNarrative"/>
  <link:roleRef roleURI="http://starbulk.com/role/SubsequentEventsDetailsNarrative" xlink:type="simple" xlink:href="sblk-20260630.xsd#SubsequentEventsDetailsNarrative"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/Cover" xlink:title="00000001 - Document - Cover"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/UnauditedConsolidatedBalanceSheets" xlink:title="00000002 - Statement - Unaudited Consolidated Balance Sheets">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets" xlink:label="loc_us-gaapAssets"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaapAssetsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapAssetsCurrent" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaapCashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapCashAndCashEquivalentsAtCarryingValue" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaapRestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapRestrictedCashAndCashEquivalentsAtCarryingValue" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaapAccountsReceivableNetCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapAccountsReceivableNetCurrent" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaapInventoryNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapInventoryNet" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_ManagementFeeReceivable" xlink:label="loc_sblkManagementFeeReceivable"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_sblkManagementFeeReceivable" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="loc_us-gaapOtherReceivablesNetCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapOtherReceivablesNetCurrent" order="6.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaapPrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapPrepaidExpenseAndOtherAssetsCurrent" order="7.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="loc_us-gaapDerivativeAssetsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapDerivativeAssetsCurrent" order="8.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaapOtherAssetsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapOtherAssetsCurrent" order="9.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent" xlink:label="loc_us-gaapAssetsHeldForSaleNotPartOfDisposalGroupCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssetsCurrent" xlink:to="loc_us-gaapAssetsHeldForSaleNotPartOfDisposalGroupCurrent" order="10.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaapPropertyPlantAndEquipmentNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapPropertyPlantAndEquipmentNet" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_AdvancesForVesselsUnderConstruction" xlink:label="loc_sblkAdvancesForVesselsUnderConstruction"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPropertyPlantAndEquipmentNet" xlink:to="loc_sblkAdvancesForVesselsUnderConstruction" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_VesselsAndOtherFixedAssetsNet" xlink:label="loc_sblkVesselsAndOtherFixedAssetsNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapPropertyPlantAndEquipmentNet" xlink:to="loc_sblkVesselsAndOtherFixedAssetsNet" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermInvestments" xlink:label="loc_us-gaapLongTermInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapLongTermInvestments" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaapRestrictedCashAndCashEquivalentsNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapRestrictedCashAndCashEquivalentsNoncurrent" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaapOperatingLeaseRightOfUseAsset"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapOperatingLeaseRightOfUseAsset" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaapOtherAssetsNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapAssets" xlink:to="loc_us-gaapOtherAssetsNoncurrent" order="6.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaapLiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaapLiabilities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquity" xlink:to="loc_us-gaapLiabilities" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaapLiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilities" xlink:to="loc_us-gaapLiabilitiesCurrent" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LoansPayableToBankCurrent" xlink:label="loc_us-gaapLoansPayableToBankCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapLoansPayableToBankCurrent" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityCurrent" xlink:label="loc_us-gaapFinanceLeaseLiabilityCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapFinanceLeaseLiabilityCurrent" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="loc_us-gaapAccountsPayableTradeCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapAccountsPayableTradeCurrent" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ManagementFeePayable" xlink:label="loc_us-gaapManagementFeePayable"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapManagementFeePayable" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaapOtherLiabilities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapOtherLiabilities" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaapAccruedLiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapAccruedLiabilitiesCurrent" order="6.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaapOperatingLeaseLiabilityCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapOperatingLeaseLiabilityCurrent" order="7.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="loc_us-gaapDerivativeLiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapDerivativeLiabilitiesCurrent" order="8.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaapDeferredRevenueCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapDeferredRevenueCurrent" order="9.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaapOtherLiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesCurrent" xlink:to="loc_us-gaapOtherLiabilitiesCurrent" order="10.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermLoansFromBank" xlink:label="loc_us-gaapLongTermLoansFromBank"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilities" xlink:to="loc_us-gaapLongTermLoansFromBank" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:label="loc_us-gaapFinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilities" xlink:to="loc_us-gaapFinanceLeaseLiabilityNoncurrent" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaapOperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilities" xlink:to="loc_us-gaapOperatingLeaseLiabilityNoncurrent" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaapOtherLiabilitiesNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilities" xlink:to="loc_us-gaapOtherLiabilitiesNoncurrent" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaapStockholdersEquity"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquity" xlink:to="loc_us-gaapStockholdersEquity" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaapPreferredStockValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquity" xlink:to="loc_us-gaapPreferredStockValue" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaapCommonStockValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquity" xlink:to="loc_us-gaapCommonStockValue" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaapAdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquity" xlink:to="loc_us-gaapAdditionalPaidInCapitalCommonStock" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaapTreasuryStockValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquity" xlink:to="loc_us-gaapTreasuryStockValue" order="4.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaapAccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquity" xlink:to="loc_us-gaapAccumulatedOtherComprehensiveIncomeLossNetOfTax" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaapRetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapStockholdersEquity" xlink:to="loc_us-gaapRetainedEarningsAccumulatedDeficit" order="6.0" weight="1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/UnauditedConsolidatedBalanceSheetsParenthetical" xlink:title="00000003 - Statement - Unaudited Consolidated Balance Sheets (Parenthetical)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedIncomeStatements" xlink:title="00000004 - Statement - Unaudited Interim Condensed Consolidated Income Statements">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaapOperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues" xlink:label="loc_us-gaapRevenues"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingIncomeLoss" xlink:to="loc_us-gaapRevenues" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaapCostsAndExpenses"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOperatingIncomeLoss" xlink:to="loc_us-gaapCostsAndExpenses" order="2.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DirectOperatingCosts" xlink:label="loc_us-gaapDirectOperatingCosts"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapDirectOperatingCosts" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_LeaseAndRentalExpense1" xlink:label="loc_sblkLeaseAndRentalExpense1"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_sblkLeaseAndRentalExpense1" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaapOperatingCostsAndExpenses"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapOperatingCostsAndExpenses" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfPropertyRepairsAndMaintenance" xlink:label="loc_us-gaapCostOfPropertyRepairsAndMaintenance"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapCostOfPropertyRepairsAndMaintenance" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaapDepreciation"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapDepreciation" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfessionalAndContractServicesExpense" xlink:label="loc_us-gaapProfessionalAndContractServicesExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapProfessionalAndContractServicesExpense" order="6.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaapGeneralAndAdministrativeExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapGeneralAndAdministrativeExpense" order="7.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonrecurringExpense" xlink:label="loc_us-gaapOtherNonrecurringExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapOtherNonrecurringExpense" order="8.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonrecurringGain" xlink:label="loc_us-gaapOtherNonrecurringGain"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapOtherNonrecurringGain" order="9.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaapProvisionForDoubtfulAccounts"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapProvisionForDoubtfulAccounts" order="10.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="loc_us-gaapDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" order="11.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaapGainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCostsAndExpenses" xlink:to="loc_us-gaapGainLossOnSaleOfPropertyPlantEquipment" order="12.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaapOtherNonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaapInterestExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOtherNonoperatingIncomeExpense" xlink:to="loc_us-gaapInterestExpense" order="1.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestAndOtherIncome" xlink:label="loc_us-gaapInterestAndOtherIncome"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOtherNonoperatingIncomeExpense" xlink:to="loc_us-gaapInterestAndOtherIncome" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="loc_us-gaapGainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOtherNonoperatingIncomeExpense" xlink:to="loc_us-gaapGainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaapGainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOtherNonoperatingIncomeExpense" xlink:to="loc_us-gaapGainsLossesOnExtinguishmentOfDebt" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaapNetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_IncomeLossFromContinuingOperationsBeforeIncomeLossFromEquityMethodInvestments" xlink:label="loc_sblkIncomeLossFromContinuingOperationsBeforeIncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetIncomeLoss" xlink:to="loc_sblkIncomeLossFromContinuingOperationsBeforeIncomeLossFromEquityMethodInvestments" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaapIncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetIncomeLoss" xlink:to="loc_us-gaapIncomeLossFromEquityMethodInvestments" order="2.0" weight="1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:title="00000005 - Statement - Unaudited Interim Condensed Consolidated Statements of Comprehensive Income/ (Loss)">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaapComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaapNetIncomeLoss"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapComprehensiveIncomeNetOfTax" xlink:to="loc_us-gaapNetIncomeLoss" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaapOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapComprehensiveIncomeNetOfTax" xlink:to="loc_us-gaapOtherComprehensiveIncomeLossNetOfTax" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss" xlink:label="loc_us-gaapUnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOtherComprehensiveIncomeLossNetOfTax" xlink:to="loc_us-gaapUnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:label="loc_us-gaapOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOtherComprehensiveIncomeLossNetOfTax" xlink:to="loc_us-gaapOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax1" xlink:label="loc_sblkOtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax1"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapOtherComprehensiveIncomeLossNetOfTax" xlink:to="loc_sblkOtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax1" order="3.0" weight="-1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedStatementsOfStockholdersEquity" xlink:title="00000006 - Statement - Unaudited Interim Condensed Consolidated Statements of Stockholders' Equity"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:title="00000007 - Statement - Unaudited Interim Condensed Consolidated Statements of Stockholders' Equity (Parenthetical)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/UnauditedInterimCondensedConsolidatedStatementsOfCashFlows" xlink:title="00000008 - Statement - Unaudited Interim Condensed Consolidated Statements of Cash Flows">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaapNetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaapNetIncomeLoss"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapNetIncomeLoss" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaapDepreciation"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapDepreciation" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaapAmortizationOfFinancingCosts"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapAmortizationOfFinancingCosts" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense" xlink:label="loc_us-gaapOperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapOperatingLeaseRightOfUseAssetAmortizationExpense" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaapGainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapGainsLossesOnExtinguishmentOfDebt" order="5.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaapGainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapGainLossOnSaleOfPropertyPlantEquipment" order="6.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaapProvisionForDoubtfulAccounts"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapProvisionForDoubtfulAccounts" order="7.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaapShareBasedCompensation"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapShareBasedCompensation" order="8.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="loc_us-gaapUnrealizedGainLossOnDerivatives"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapUnrealizedGainLossOnDerivatives" order="9.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaapOtherNoncashIncomeExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapOtherNoncashIncomeExpense" order="10.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_WriteOffAccrualsAndCurrentLiabilities" xlink:label="loc_sblkWriteOffAccrualsAndCurrentLiabilities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_sblkWriteOffAccrualsAndCurrentLiabilities" order="11.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" xlink:label="loc_us-gaapGainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapGainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" order="12.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_GainFromInsuranceClaim" xlink:label="loc_sblkGainFromInsuranceClaim"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_sblkGainFromInsuranceClaim" order="13.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaapIncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncomeLossFromEquityMethodInvestments" order="14.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaapIncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInAccountsReceivable" order="15.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaapIncreaseDecreaseInInventories"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInInventories" order="16.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaapIncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" order="17.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDerivativeAssets" xlink:label="loc_us-gaapIncreaseDecreaseInDerivativeAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInDerivativeAssets" order="18.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_IncreaseDecreaseAccruedIncome" xlink:label="loc_sblkIncreaseDecreaseAccruedIncome"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_sblkIncreaseDecreaseAccruedIncome" order="19.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDueFromRelatedPartiesCurrent" xlink:label="loc_us-gaapIncreaseDecreaseInDueFromRelatedPartiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInDueFromRelatedPartiesCurrent" order="20.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="loc_us-gaapIncreaseDecreaseInOtherReceivables"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInOtherReceivables" order="21.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="loc_us-gaapIncreaseDecreaseInOtherNoncurrentAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInOtherNoncurrentAssets" order="22.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade" xlink:label="loc_us-gaapIncreaseDecreaseInAccountsPayableTrade"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInAccountsPayableTrade" order="23.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeasePayments" xlink:label="loc_us-gaapOperatingLeasePayments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapOperatingLeasePayments" order="24.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent" xlink:label="loc_us-gaapIncreaseDecreaseInDueToRelatedPartiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInDueToRelatedPartiesCurrent" order="25.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaapIncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInAccruedLiabilities" order="26.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherAccountsPayable" xlink:label="loc_us-gaapIncreaseDecreaseInOtherAccountsPayable"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInOtherAccountsPayable" order="27.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaapIncreaseDecreaseInDeferredRevenue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInOperatingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInDeferredRevenue" order="28.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaapNetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment" order="1.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaapProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_us-gaapProceedsFromSaleOfPropertyPlantAndEquipment" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfEquityMethodInvestments" xlink:label="loc_us-gaapProceedsFromSaleOfEquityMethodInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_us-gaapProceedsFromSaleOfEquityMethodInvestments" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDebtSecuritiesTrading" xlink:label="loc_us-gaapIncreaseDecreaseInDebtSecuritiesTrading"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_us-gaapIncreaseDecreaseInDebtSecuritiesTrading" order="4.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:label="loc_us-gaapProceedsFromInsuranceSettlementInvestingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInInvestingActivities" xlink:to="loc_us-gaapProceedsFromInsuranceSettlementInvestingActivities" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaapNetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:label="loc_us-gaapProceedsFromIssuanceOfDebt"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_us-gaapProceedsFromIssuanceOfDebt" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfDebt" xlink:label="loc_us-gaapRepaymentsOfDebt"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_us-gaapRepaymentsOfDebt" order="2.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaapPaymentsOfFinancingCosts"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_us-gaapPaymentsOfFinancingCosts" order="3.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaapPaymentsOfDividendsCommonStock"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_us-gaapPaymentsOfDividendsCommonStock" order="4.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaapPaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapNetCashProvidedByUsedInFinancingActivities" xlink:to="loc_us-gaapPaymentsForRepurchaseOfCommonStock" order="5.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaapCashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="loc_us-gaapCashAndCashEquivalentsAtCarryingValue" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashCurrent" xlink:label="loc_us-gaapRestrictedCashCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="loc_us-gaapRestrictedCashCurrent" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashNoncurrent" xlink:label="loc_us-gaapRestrictedCashNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="loc_us-gaapRestrictedCashNoncurrent" order="3.0" weight="1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/BasisOfPresentationAndGeneralInformation" xlink:title="999009 - Disclosure - Basis of Presentation and General Information:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncements" xlink:title="999010 - Disclosure - Significant accounting policies and recent accounting pronouncements:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/TransactionsWithRelatedParties" xlink:title="999011 - Disclosure - Transactions with Related Parties:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EquityMethodInvestments" xlink:title="999012 - Disclosure - Equity Method Investments:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/Inventories" xlink:title="999013 - Disclosure - Inventories:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstruction" xlink:title="999014 - Disclosure - Vessels and other fixed assets, net, Vessel held for sale and Advances for vessels under construction:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/OperatingLeases" xlink:title="999015 - Disclosure - Operating leases:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/LeaseFinancings" xlink:title="999016 - Disclosure - Lease financings:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/Long-termBankLoansRevolvingFacilities" xlink:title="999017 - Disclosure - Long-term bank loans &amp; Revolving Facilities:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/PreferredAndCommonSharesAndAdditionalPaid-inCapital" xlink:title="999018 - Disclosure - Preferred and Common Shares and Additional Paid-in Capital:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EarningsPerShare" xlink:title="999019 - Disclosure - Earnings per Share:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EquityIncentivePlans" xlink:title="999020 - Disclosure - Equity Incentive Plans:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/CommitmentsAndContingencies" xlink:title="999021 - Disclosure - Commitments and Contingencies:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/FairValueMeasurementsAndHedging" xlink:title="999022 - Disclosure - Fair value measurements and Hedging:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/OtherOperationalGain" xlink:title="999023 - Disclosure - Other operational gain:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VoyageRevenues" xlink:title="999024 - Disclosure - Voyage revenues:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/SegmentReporting" xlink:title="999025 - Disclosure - Segment Reporting:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/SubsequentEvents" xlink:title="999026 - Disclosure - Subsequent Events:"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/InventoriesTables" xlink:title="999027 - Disclosure - Inventories: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstructionTables" xlink:title="999028 - Disclosure - Vessels and other fixed assets, net, Vessel held for sale and Advances for vessels under construction: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/OperatingLeasesTables" xlink:title="999029 - Disclosure - Operating leases: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/LeaseFinancingsTables" xlink:title="999030 - Disclosure - Lease financings: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/Long-termBankLoansRevolvingFacilitiesTables" xlink:title="999031 - Disclosure - Long-term bank loans &amp; Revolving Facilities: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EarningsPerShareTables" xlink:title="999032 - Disclosure - Earnings per Share: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EquityIncentivePlansTables" xlink:title="999033 - Disclosure - Equity Incentive Plans: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/CommitmentsAndContingenciesTables" xlink:title="999034 - Disclosure - Commitments and Contingencies: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/FairValueMeasurementsAndHedgingTables" xlink:title="999035 - Disclosure - Fair value measurements and Hedging: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VoyageRevenuesTables" xlink:title="999036 - Disclosure - Voyage revenues: (Tables)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/BasisOfPresentationAndGeneralInformationDetailsNarrative" xlink:title="999037 - Disclosure - Basis of Presentation and General Information: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/TransactionsWithRelatedPartiesDetailsNarrative" xlink:title="999038 - Disclosure - Transactions with Related Parties: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EquityMethodInvestmentsDetailsNarrative" xlink:title="999039 - Disclosure - Equity Method Investments: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/InventoriesTableDetails" xlink:title="999040 - Disclosure - Inventories (Table) (Details)">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaapInventoryNet"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_LubricantsInventoryCurrent" xlink:label="loc_sblkLubricantsInventoryCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapInventoryNet" xlink:to="loc_sblkLubricantsInventoryCurrent" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_BunkerInventoryCurrent" xlink:label="loc_sblkBunkerInventoryCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapInventoryNet" xlink:to="loc_sblkBunkerInventoryCurrent" order="2.0" weight="1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VesselsAndOtherFixedAssetsNet-SchedulesOfVesselsAndOtherFixedAssetsNetTableDetails" xlink:title="999041 - Disclosure - Vessels and other fixed assets, net - Schedules of vessels and other fixed assets, net (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstruction-VesselsUnderConstructionTableDetails" xlink:title="999042 - Disclosure - Vessels and other fixed assets, net, Vessel held for sale and Advances for vessels under construction- Vessels under construction (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VesselsAndOtherFixedAssetsNetVesselHeldForSaleAndAdvancesForVesselsUnderConstructionDetailsNarrative" xlink:title="999043 - Disclosure - Vessels and other fixed assets, net, Vessel held for sale and Advances for vessels under construction: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/OperatingLeases-OperatingLeaseLiabilitiesOfTimeCharter-inVesselAgreementsTableDetails" xlink:title="999044 - Disclosure - Operating leases - Operating lease liabilities of time charter-in vessel agreements (Table) (Details)">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearTwo" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearThree" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearFour" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearFive" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" order="6.0" weight="1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/OperatingLeases-OperatingLeaseLiabilitiesOfOfficeRentalAgreementsTableDetails" xlink:title="999045 - Disclosure - Operating leases - Operating lease liabilities of office rental agreements (Table) (Details)">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearTwo" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearThree" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearFour" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueYearFive" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="loc_us-gaapLesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" order="6.0" weight="1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/OperatingLeasesDetailsNarrative" xlink:title="999046 - Disclosure - Operating leases: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/LeaseFinancings-CapitalLeaseObligationsPrincipalPaymentsTableDetails" xlink:title="999047 - Disclosure - Lease financings - Capital lease obligations, Principal payments (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/Long-termBankLoans-PrincipalRepaymentsTableDetails" xlink:title="999048 - Disclosure - Long-term bank loans - Principal repayments (Table) (Details)">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaapDebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapDebtInstrumentCarryingAmount" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapDebtInstrumentCarryingAmount" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapDebtInstrumentCarryingAmount" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" order="3.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapDebtInstrumentCarryingAmount" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapDebtInstrumentCarryingAmount" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" order="5.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapDebtInstrumentCarryingAmount" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" order="6.0" weight="1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/Long-termBankLoans-InterestAndFinanceCostsTableDetails" xlink:title="999049 - Disclosure - Long-term bank loans - Interest and finance costs (Table) (Details)">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaapInterestExpense"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaapInterestExpenseDebt"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapInterestExpense" xlink:to="loc_us-gaapInterestExpenseDebt" order="1.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_InterestCostsIncurredCapitalized1" xlink:label="loc_sblkInterestCostsIncurredCapitalized1"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapInterestExpense" xlink:to="loc_sblkInterestCostsIncurredCapitalized1" order="2.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet" xlink:label="loc_us-gaapInterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapInterestExpense" xlink:to="loc_us-gaapInterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet" order="3.0" weight="-1"/>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaapAmortizationOfFinancingCosts"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapInterestExpense" xlink:to="loc_us-gaapAmortizationOfFinancingCosts" order="4.0" weight="1"/>
    <link:loc xlink:type="locator" xlink:href="sblk-20260630.xsd#sblk_OtherBankAndFinanceCharges" xlink:label="loc_sblkOtherBankAndFinanceCharges"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaapInterestExpense" xlink:to="loc_sblkOtherBankAndFinanceCharges" order="5.0" weight="1"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/Long-termBankLoansRevolvingFacilitiesDetailsNarrative" xlink:title="999050 - Disclosure - Long-term bank loans &amp; Revolving Facilities: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/PreferredAndCommonSharesAndAdditionalPaid-inCapitalDetailsNarrative" xlink:title="999051 - Disclosure - Preferred and Common Shares and Additional Paid-in Capital: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EarningPerShareTableDetails" xlink:title="999052 - Disclosure - Earning per Share (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EquityIncentivePlans-SummaryOfNon-vestedRestrictedShareOptionsTableDetails" xlink:title="999053 - Disclosure - Equity Incentive Plans - Summary of non-vested restricted share options (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/EquityIncentivePlansDetailsNarrative" xlink:title="999054 - Disclosure - Equity Incentive Plans: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/CommitmentsAndContingencies-CharterPartyAgreementsTableDetails" xlink:title="999055 - Disclosure - Commitments and Contingencies - Charter party agreements (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/CommitmentsAndContingencies-OtherCommitmentsTableDetails" xlink:title="999056 - Disclosure - Commitments and Contingencies - Other Commitments (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/FairValueMeasurementsAndHedging-DerivativeInstrumentsEffectOnStatementsOfOperationsTableDetails" xlink:title="999057 - Disclosure - Fair value measurements and Hedging - Derivative instruments effect on statements of operations (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/FairValueMeasurementsAndHedging-FairValueOnRecurringBasis-QuotedPricesInActiveMarketsTableDetails" xlink:title="999058 - Disclosure - Fair Value Measurements and Hedging - Fair value on a recurring basis - Quoted Prices in Active Markets (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/FairValueMeasurementsAndHedging-AmortizedCostAndFairValueOfAfsDebtSecuritiesTableDetails" xlink:title="999059 - Disclosure - Fair Value Measurements and Hedging- Amortized cost and fair value of AFS debt securities (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/FairValueMeasurementsAndHedgingDetailsNarrative" xlink:title="999060 - Disclosure - Fair value measurements and Hedging: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/OtherOperationalGainDetailsNarrative" xlink:title="999061 - Disclosure - Other operational gain: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VoyageRevenuesTableDetails" xlink:title="999062 - Disclosure - Voyage revenues (Table) (Details)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/VoyageRevenuesDetailsNarrative" xlink:title="999063 - Disclosure - Voyage revenues: (Details Narrative)"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://starbulk.com/role/SubsequentEventsDetailsNarrative" xlink:title="999064 - Disclosure - Subsequent Events: (Details Narrative)"/>
</link:linkbase>
