Biweekly Mortgage Calculator

Making biweekly payments (half your monthly payment every two weeks) results in 13 monthly payments per year instead of 12. This extra payment each year can save thousands in interest and years off your mortgage.

How to Use This Tool

Enter your current loan balance.
Enter your annual interest rate.
Enter your current monthly payment.
Enter the remaining term in years.
Click Calculate to see years and interest saved.

The Formula

Biweekly = 26 half-payments/year = 13 full monthly payments/year. The extra 13th payment compounds over time, reducing principal faster.

Why It Matters

Your $250,000 mortgage at 6.5% has a $1,581/month payment. By paying $790.50 every two weeks instead, you make 13 full payments per year (1 extra payment) and save over $30,000 in interest while paying off your mortgage nearly 4 years early — without feeling the full burden of a higher monthly payment.