Calculator · Financing

Mortgage Amortization Calculator

See your monthly payment, total interest, payoff date, and full amortization schedule, plus how much extra principal payments save.

Enter a loan and press Calculate to see the monthly payment, total interest, payoff date, and a year-by-year or month-by-month schedule of principal, interest, and balance. Add an extra monthly principal payment to see how much interest and time it saves. To see whether the deal cash flows with that payment, use the Rental Cash Flow Calculator. Your inputs are saved in this browser.

Loan
$
%
%
yrs
Pay it down faster
$/mo

Added to every monthly payment and applied straight to principal. Leave blank to see the standard schedule.

Monthly payment (P&I)

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Fill in the loan details and press Calculate to see the schedule.

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Guide · Analysis6 steps · worked example

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A step-by-step framework for estimating rent, expenses, cash flow, cap rate, and cash-on-cash return, with a fully worked example.

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The 14 main things to check on every walkthrough, from the roof and foundation to the electrical panel and sewer line.

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