Free calculator

Mortgage amortization calculator

Estimate the principal and interest payment, then see what an extra monthly payment could do to the payoff timeline.

Any extra payment is treated as principal-only and made every month.

Estimated results

Monthly principal and interest

$0.00

Regular payoff
Calculating
Payoff with extra
Calculating
Time saved
0 months
Interest saved
$0.00
Interest with extra
$0.00

Amortization schedule

Year by year, with the extra payment included.

Principal and interest only

YearPaymentsPrincipalInterestEnding balance

A quick note: This is a planning estimate, not a lender payoff quote. It does not include property taxes, homeowners insurance, HOA dues, mortgage insurance, fees, or changes to an adjustable-rate loan.

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