Small Multifamily Calculator
Run the actual numbers on a duplex, triplex, or fourplex — with you living in one unit
Property & Financing
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Rental Income
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Operating Assumptions
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Results
Monthly Payment Breakdown
Principal & Interest
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Taxes, Insurance & PMI
$0
Total Monthly Housing Cost (PITI)
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While You Live There
Rental Income from Other Units
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Your Effective Housing Cost
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When Fully Rented (After You Move Out)
Gross Monthly Rent
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Less: Vacancy, Maintenance & Management
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Net Operating Income (monthly)
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Monthly Cash Flow (after debt service)
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Cash-on-Cash Return
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Cap Rate
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Total Cash Invested (DP + Closing)
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