Biweekly Mortgage Calculator

See how switching to biweekly payments can save you thousands in interest and years on your mortgage.

Interest Saved

921 USD

Monthly Payment

1896 USD

Biweekly Payment

948 USD

Time Saved

27 months

Biweekly Payoff

28 years

Interest Comparison

Amortization Comparison

Amortization Comparison

YearBalance (Standard)Balance (Biweekly)Payment (Standard)Payment (Biweekly)
1296.647 USD296.352 USD22.754 USD24.651 USD
3289.252 USD288.241 USD22.754 USD24.651 USD
5280.833 USD278.904 USD22.754 USD24.651 USD
7271.249 USD268.157 USD22.754 USD24.651 USD
9260.338 USD255.787 USD22.754 USD24.651 USD
11247.916 USD241.549 USD22.754 USD24.651 USD
13233.776 USD225.161 USD22.754 USD24.651 USD
15217.677 USD206.299 USD22.754 USD24.651 USD
17199.351 USD184.587 USD22.754 USD24.651 USD
19178.487 USD159.598 USD22.754 USD24.651 USD
21154.735 USD130.834 USD22.754 USD24.651 USD
23127.695 USD97.727 USD22.754 USD24.651 USD
2596.912 USD59.619 USD22.754 USD24.651 USD
2761.868 USD15.758 USD22.754 USD24.651 USD
2921.973 USD0 USD22.754 USD0 USD
300 USD0 USD22.754 USD0 USD

How Biweekly Mortgage Payments Work

What Are Biweekly Mortgage Payments?

Instead of making one monthly mortgage payment, you make a payment equal to half your monthly amount every two weeks. Since there are 52 weeks in a year, you make 26 half-payments, which equals 13 full monthly payments instead of 12. That extra payment each year goes entirely toward principal, accelerating your payoff.

The Math Behind the Savings

On a $300,000 mortgage at 6.5% over 30 years, your monthly payment is approximately $1,896. With biweekly payments of $948, you make one extra full payment per year. This simple change can save approximately $58,000 in interest and pay off your mortgage about 4-5 years early. The savings come from reducing your principal faster, which means less interest accrues each month.

Biweekly vs Monthly: A Clear Winner

The beauty of biweekly payments is that they align with most peoples pay schedules, making budgeting easier. Many employers pay employees every two weeks, so your mortgage payment coincides with your paycheck. The Federal Trade Commission notes that biweekly payment plans can be effective, but cautions against third-party services that charge setup fees — you can often set this up directly with your lender for free [1].

Watch Out for Third-Party Services

Some companies offer biweekly payment programs for a fee, typically $300-500 setup plus monthly charges. In most cases, you can achieve the same result for free by simply making one extra payment per year or dividing your monthly payment by 12 and adding that amount to each monthly payment. Always check with your lender first [2].

Practical Example: Biweekly vs Monthly

$300,000 Mortgage at 6.5% for 30 Years

Monthly payment: $1,896/month

Biweekly payment: $948 every two weeks

Monthly total interest: ~$382,500 over 30 years

Biweekly total interest: ~$324,000 over ~26 years

Interest saved: ~$58,500

Years saved: ~4 years paid off early

The extra payment each year compounds into massive savings because every dollar of principal you pay early eliminates years of future interest on that dollar.

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How do biweekly mortgage payments work?

You pay half your monthly mortgage amount every two weeks. This results in 26 half-payments per year, equaling 13 full payments instead of 12. The extra payment goes toward principal, reducing your balance faster.

How much can I save with biweekly payments?

On a typical 30-year mortgage, biweekly payments can save you tens of thousands in interest and shave 3-5 years off your loan term. The exact savings depend on your loan amount, rate, and term.

Should I pay for a biweekly payment service?

Generally no. Many lenders allow you to set up biweekly payments for free. Third-party services often charge fees that eat into your savings. Contact your lender directly to arrange biweekly payments.

Is biweekly better than making one extra payment per year?

The financial result is nearly identical. Both methods result in one extra monthly payment per year. Choose whichever fits your budget and cash flow better.

Can I switch back to monthly payments later?

Yes, in most cases you can switch back to monthly payments at any time. Check with your lender about their specific policy. Any extra principal you have already paid is permanently applied.

Disclaimer: This calculator provides estimates based on standard amortization formulas. Actual results may vary based on your lender policies and payment timing. Consult your mortgage servicer for specific terms.

Sources and References

  1. Consumer Financial Protection Bureau. "Explore interest rates." consumerfinance.gov
  2. Wikipedia. "Bi-weekly mortgage." en.wikipedia.org
  3. Fannie Mae. "Understanding mortgage payments." knowyouroptions.com

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