Mortgage & real estate

Mortgage Payoff Calculator

See how much faster your mortgage is gone, and how much interest you save, when you add a little to each monthly payment.

  • Free
  • No sign-up
  • Updated for 2026

Your mortgage

$
%
yr
Extra payments
$

added to every payment

Enter your balance, rate and years left to see the payoff.

Worked example

With these example inputs:

  • Mortgage balance$300,000
  • Interest rate6.5%
  • Years left30 yr

Monthly payment: $2,146

  • Loan amount$300,000
  • Total interest$262,297
  • Total of payments$562,297
  • Payoff time21 yr 10 mo
  • Interest saved$120,337
  • Time saved8 yr 2 mo

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What this mortgage payoff calculator does

This calculator shows how to pay off your mortgage. You enter your balance, rate and payment. The tool then shows the payoff time. It reveals how extra payments help. You can test different amounts. See the interest you could save. The result helps you plan ahead.

What paying off a mortgage early means

Paying off early means clearing the loan sooner. You make larger or extra payments. This shrinks the balance faster. Less balance means less interest. So you finish ahead of schedule. It can save a lot of money. It also brings peace of mind.

How it is calculated

The math tracks your balance over time. Each payment covers interest first. The rest reduces the balance. Any extra payment cuts it faster. That lowers future interest too. The calculator models this for you. It shows your new payoff date.

The power of extra payments

Extra payments have a big effect. Every extra dollar cuts the balance. That balance no longer earns interest. So the savings compound over time. Even small extras add up. They can shave off years. Consistency makes the difference.

How much interest you can save

Early payoff can save serious interest. Interest builds on the balance. A smaller balance costs less. Paying extra early helps most. The early years carry the most interest. So early action pays off best. The savings can be large.

Paying off early versus investing

There is a real trade-off here. Extra payments give a sure return. That return equals your mortgage rate. Investing might earn more, but with risk. A low rate favours investing. A high rate favours payoff. Weigh the numbers and your comfort.

Things to check first

Check a few things before you start. Look for any prepayment penalty. Build an emergency fund first. Clear costlier debt before this. Keep enough cash on hand. Make sure extras go to principal. A little planning protects you.

How to use it

Enter your balance, rate and payment. Add an extra monthly amount. Read your new payoff date. See the interest you save. Then try a bigger extra. Compare a few plans. Use it to set a payoff goal.

Ways to pay off your mortgage faster

There are many ways to speed up. Add a little to each payment. Make one extra payment a year. Switch to biweekly payments. Round your payment up. Put any windfall toward it. Small steps shorten the loan.

Common mistakes to avoid

A common mistake is skipping an emergency fund. Do not tie up all your cash. Another is ignoring costlier debt. Pay that off first. Some forget about prepayment penalties. Others stop investing entirely. A clear number keeps you from these slips.

A final tip

Pay extra early for the biggest savings. Make sure it goes to principal. Keep an emergency fund in place. Clear higher-rate debt first. Compare payoff against investing. Stay consistent with your extra payments. Even one extra payment a year makes a real dent. A clear plan gets you there faster.

Frequently asked questions

How do extra payments pay off a mortgage faster?

Every extra dollar goes straight to principal, which removes all the future interest on that amount. Even a small monthly extra can cut years off the term.

Is it better to pay extra or invest?

It depends on your mortgage rate versus your expected after-tax return. Paying down a high-rate mortgage is a guaranteed return equal to the rate.

Where should extra payments be applied?

Toward the principal. Confirm with the lender so it is not held as a prepaid future payment.

Are there penalties for paying off early?

Some loans charge a prepayment penalty, so check your terms before making large extra payments.

Does paying off my mortgage early always make sense?

Not if it drains your emergency fund or you have higher-interest debt to clear first.