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Biweekly Mortgage Calculator

Paying half your monthly mortgage every two weeks means 26 half-payments a year — the equivalent of 13 monthly payments instead of 12. That one extra payment a year quietly shaves years and tens of thousands in interest. See your numbers, then open the full mortgage calculator.

Your mortgage

$
%
yrs
Biweekly payment
$899.33
half the monthly amount
Interest saved
$74,436

The numbers

Years off the mortgage5.49
Standard monthly payment$1,798.65
Free · part of the Mortgage Calculator toolkit

How it's calculated

Our methodology & 2026 data sources →

Frequently asked questions

Why does biweekly save so much?
You make the equivalent of one extra monthly payment per year, and it all hits principal — so interest compounds against a smaller balance for the rest of the loan.
Does my lender allow it?
Many do, but some charge fees or just hold the half-payments. You can replicate the effect for free by adding 1/12 of your payment to principal each month — see the Extra Payment calculator.

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