What a biweekly mortgage payment is
A biweekly mortgage payment means you pay half your normal monthly mortgage amount every two weeks instead of paying the full amount once a month. If your regular monthly payment is $1,200, a biweekly payment would be $600 every 14 days.
The math works because there are 26 two-week periods in a year, which equals 13 full monthly payments instead of 12. That extra payment each year goes directly toward your principal — the amount you actually borrowed — which shortens your loan and saves you money on interest over time.
You do not have to switch to biweekly payments. Your lender will continue accepting monthly payments unless you request the change. Some lenders offer biweekly programs as a built-in option; others require you to set it up yourself through your bank's bill-pay system.
Key Takeaways
- Biweekly payments are half your monthly amount paid every 14 days, which results in 13 full payments per year instead of 12.
- The extra annual payment reduces your principal balance faster, cutting years off your loan and saving thousands in interest.
- Not all lenders support biweekly payments directly, so you may need to set this up through your own bank's bill-pay system.
- Biweekly payments work best if you are paid biweekly yourself, because the payment timing matches your income.
- Some lenders charge a fee to enroll in a biweekly program, so compare the interest savings against any setup or monthly costs.
How the extra payment reduces what you owe
When you make 13 payments instead of 12 in a year, that 13th payment is almost entirely principal because you have already covered the year's interest with your first 12 payments. Principal is the original loan amount; interest is what the lender charges you to borrow it. Paying down principal faster means less interest accrues in future months.
The effect compounds over time. In year two, you owe less principal, so the interest charged that year is lower. In year three, it is lower still. Over a 30-year mortgage, this pattern can shorten your loan by several years and save you tens of thousands of dollars in total interest.
The exact savings depend on your loan amount, interest rate, and how long you stay in the home. A mortgage calculator can show you the difference for your specific situation, but the principle is always the same: more of your money goes to paying down what you owe, less goes to the lender's interest.
Two ways to set up biweekly payments
Lender-offered biweekly programs: Some mortgage servicers have a formal biweekly payment option built into their system. You contact them, request enrollment, and they handle the timing and accounting. A few lenders charge a setup fee (typically $50 to $300) or a small monthly fee ($2 to $5) to manage the program. Ask your servicer whether they offer this and what it costs before you enroll.
Self-managed through your bank: If your lender does not offer a biweekly program, you can create one yourself using your bank's bill-pay system. Set up two payments per month instead of one, each for half your normal amount. Your bank sends the payments on the schedule you choose. This method is free and gives you full control, but you have to remember to set it up and monitor it yourself.
The self-managed route works only if you have a checking account and access to online bill pay. If you do, it is usually simpler and cheaper than a lender-run program. If you do not, ask your lender whether they can accept biweekly payments without a formal program — some will, even if they do not advertise it.
When biweekly payments make sense for your budget
Biweekly payments work best if you are paid biweekly yourself. Your paycheck arrives every two weeks, and your mortgage payment is due at the same rhythm. This alignment means you are less likely to miss a payment or dip into savings to cover it.
Biweekly payments also make sense if you have a stable income and can afford the higher frequency without stress. Because you are paying more often, you have less time to recover between payments. If your income is irregular or you live paycheck to paycheck, the monthly schedule may be safer for you.
If you are considering biweekly payments mainly to save interest, do the math first. Calculate how much you would save over the life of the loan, then subtract any fees the lender charges. If the savings are significant and you can afford the payments without strain, it is worth doing. If the savings are modest or the fees are high, you might get a similar result by making one extra payment per year on your own schedule.
What happens if you miss a biweekly payment
A missed biweekly payment is treated the same as a missed monthly payment: your account falls behind, and your lender will contact you. However, because you are paying more frequently, you have more opportunities to catch up. If you miss one biweekly payment but make the next one on time, you have only fallen behind by half a month instead of a full month.
If you set up biweekly payments through your own bank's bill-pay system, the responsibility for sending the payment on time is yours. If the payment does not arrive by the due date, your lender will not know whether it was a bank delay or your mistake. Always verify that payments are being received and posted to your account.
If you enroll in a lender-run biweekly program, the lender is responsible for sending the payments on time. However, you are still responsible for ensuring the money is in your account when the payment is due. If your bank account does not have sufficient funds, the payment will fail, and you will be reported late.
Alternatives to biweekly payments
You do not need a biweekly schedule to pay down your mortgage faster. You can make one extra full payment per year on whatever schedule works for you — in December, after a tax refund, or whenever you have the money. This gives you the same principal reduction as biweekly payments without changing your regular payment schedule.
You can also make small extra payments toward principal whenever you have extra cash. Even $50 or $100 per month, applied directly to principal, reduces your loan faster and saves interest. Some lenders allow you to specify that extra payments go to principal; others do it automatically. Ask your servicer how to direct extra payments.
Another option is to refinance your mortgage to a shorter term — for example, from 30 years to 15 years — if interest rates are favorable. This increases your monthly payment but cuts your loan term in half and saves substantial interest. This is a bigger decision than biweekly payments and involves closing costs, so compare the total cost before you proceed.
Frequently Asked Questions
Will biweekly payments hurt my credit score?
No. Biweekly payments do not hurt your credit as long as they arrive on time. In fact, paying down your principal faster can improve your credit over time because you are reducing the amount of debt you owe. Your credit score is based on payment history, amounts owed, and other factors — the frequency of your payments does not matter as long as they are made on schedule.
Can I switch back to monthly payments if I change my mind?
Yes. If you enrolled in a lender-run biweekly program, contact your servicer and request to return to monthly payments. If you set up biweekly payments through your bank's bill-pay system, straightforward change your payment schedule. There is no penalty for switching back, though you will lose the benefit of that extra annual payment going forward.
Do biweekly payments work with adjustable-rate mortgages?
Yes, biweekly payments work with any type of mortgage — fixed-rate, adjustable-rate, or other. The payment frequency does not affect how your interest rate is calculated. When your rate adjusts, your payment amount will change, but you can continue making biweekly payments at the new amount.
What if my lender charges a fee for biweekly payments?
Compare the fee against your interest savings. If the setup fee is $200 and you will save $15,000 in interest over the life of the loan, the fee is worth it. If the fee is $300 and your savings are only $2,000, you might save more by making one extra payment per year on your own instead. Ask your lender for a projection of your total savings before you enroll.
Can I make biweekly payments if I have a second mortgage or home equity line of credit?
You can make biweekly payments on your primary mortgage independently of any second mortgage or line of credit. Each loan is separate, and changing the payment schedule on one does not affect the others. However, if you want to accelerate payoff of a second mortgage or line of credit, you would need to set up a separate biweekly schedule for that loan as well.