Biweekly Mortgage Calculator

Part of Mortgage & Financing Calculators

Calculate how much interest you can save and how much faster you'll pay off your mortgage with biweekly payments.

Monthly Payments

Payment Amount $0.00
Payments Per Year 12
Total Payments 0
Total Interest $0.00
Payoff Date -

Biweekly Payments

Payment Amount $0.00
Payments Per Year 26
Total Payments 0
Total Interest $0.00
Payoff Date -
Interest Saved $0.00
Time Saved 0 years
Extra Annual Payment $0.00

How Biweekly Payments Work

Biweekly mortgage payments involve paying half of your monthly payment every two weeks instead of making one full payment per month. Because there are 52 weeks in a year, this results in 26 biweekly payments, which equals 13 monthly payments instead of 12. This extra payment each year goes directly toward your principal balance, dramatically reducing the total interest paid over the loan's life and shortening the repayment term by several years.

The magic of biweekly payments comes from two factors: making an extra payment each year and reducing your principal balance more frequently. Every dollar paid toward principal reduces the amount that accrues interest. By making payments every two weeks instead of monthly, you reduce your average daily balance throughout the year, which compounds to significant savings over time.

Benefits of Biweekly Payments

Substantial Interest Savings: On a $300,000 30-year mortgage at 6.5%, biweekly payments can save over $50,000 in interest compared to monthly payments. The savings increase with higher loan amounts, longer terms, and higher interest rates. These savings represent real wealth that stays in your pocket rather than going to the lender.

Faster Payoff: Biweekly payments typically shorten a 30-year mortgage by 4-6 years, building equity faster and reaching full ownership sooner. This can significantly impact retirement planning, allowing you to enter retirement debt-free years earlier than anticipated.

Aligns With Paychecks: If you're paid biweekly, making mortgage payments on the same schedule aligns your expenses with your income, making budgeting more natural. You pay your mortgage when you receive income, reducing the temptation to spend that money elsewhere.

Automatic Savings: The extra annual payment happens automatically without requiring conscious decisions to make additional payments. This "forced savings" approach helps many homeowners pay down their mortgage faster than they would with good intentions alone.

How to Set Up Biweekly Payments

Through Your Lender: Some mortgage servicers offer biweekly payment programs, though many charge setup fees ($300-500) and ongoing transaction fees ($2-5 per payment). Before signing up, calculate whether the fees will erode your savings significantly. For loans with high interest rates and balances, the savings usually far exceed the fees.

DIY Approach: You can achieve the same result without fees by dividing your monthly payment by 12 and adding that amount to each monthly payment. For example, if your monthly payment is $1,800, add $150 ($1,800รท12) to make a monthly payment of $1,950. This creates one extra payment per year without program fees.

Automated Transfers: Set up automatic transfers from your checking account to a savings account every two weeks, then make your regular monthly payment plus the accumulated extra amount quarterly. This approach works well if your lender doesn't accept biweekly payments but requires some discipline to maintain.

Important Considerations

Alternatives to Biweekly Payments

Extra Annual Payment: Simply make one extra monthly payment per year by dividing your monthly payment by 12 and adding it to each payment. This achieves nearly identical results to biweekly payments without changing your payment schedule or potentially incurring fees.

Rounded Payments: Round your payment up to the nearest hundred. Paying $2,000 instead of $1,847 adds $153 to principal monthly, creating substantial savings over time while being simple to implement and remember.

Windfall Payments: Apply bonuses, tax refunds, or other windfalls directly to mortgage principal. While less consistent than biweekly payments, this approach doesn't require changing your regular payment structure and can be done whenever extra funds are available.

When Biweekly Payments Make Sense

Biweekly payments work best when you have a stable biweekly income, plan to stay in the home long-term, have high-interest debt paid off, maintain adequate emergency savings, and can comfortably afford the extra payment. They're particularly valuable early in the mortgage when principal balances are highest and interest savings compound most dramatically.

When to Consider Alternatives

If your mortgage has a very low interest rate (below 3-4%), you might earn better returns by investing extra funds in the market instead. Similarly, if you have high-interest debt like credit cards or auto loans, paying those off first typically makes more financial sense than accelerating your mortgage payoff. Finally, if you value liquidity and flexibility over interest savings, maintaining cash reserves may be preferable to locking funds into home equity.

View your full amortization schedule to understand payment timing. Use the Mortgage Calculator for base payment figures. Compare to refinancing if rates have dropped significantly.