Small Multifamily / House Hack Calculator

House Hacking Calculator

Run the actual numbers on a duplex, triplex, or fourplex, with you living in one unit

Property & Financing

$
%
%
$
$
$

Rental Income

$
$

Operating Assumptions

%
%
%
% of price

Results

Monthly Payment Breakdown

Principal & Interest $0
Taxes, Insurance & PMI $0
Total Monthly Housing Cost (PITI) $0

While You Live There

Rental Income from Other Units $0
Your Effective Housing Cost $0

While you live here: rent in, mortgage out

Tenant rentYour sharePrincipal & interestTaxes, insurance & PMI

When Fully Rented (After You Move Out)

Gross Monthly Rent $0
Less: Vacancy, Maintenance & Management $0
Net Operating Income (monthly) $0
Monthly Cash Flow (after debt service) $0
Cash-on-Cash Return 0%
Cap Rate 0%
Total Cash Invested (DP + Closing) $0

Not sure what to enter in each field, or where the numbers should come from: I wrote a step-by-step guide to using this calculator, including a worked example with real listing numbers.

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