Amortization Calculator

See a full year-by-year breakdown of principal, interest and balance.

See Your Full Loan Amortization Schedule

This amortization calculator shows how a fixed-rate loan is paid off over time. Enter the loan amount, interest rate and term to see your monthly payment, the total interest, and a year-by-year breakdown of how much goes to principal, how much goes to interest, and your remaining balance. Everything is calculated in your browser and nothing is stored.

What amortization means

Amortization is the process of paying off a loan with equal regular payments. Each payment covers the interest due that period and reduces the principal. Early in the loan most of your payment goes to interest, but as the balance falls, more of each payment goes to principal. The schedule makes this shift easy to see.

Why the schedule is useful

Seeing the breakdown helps you understand the true cost of borrowing and how slowly the balance falls at first. It is especially helpful for mortgages and other long loans, where total interest can rival the amount borrowed. It also shows the effect of the term: a shorter term means higher payments but far less interest overall.

Pay less interest

  • Extra principal payments early in the loan save the most interest.
  • A shorter term raises the monthly payment but cuts total interest sharply.
  • A lower rate reduces both the payment and the lifetime interest.

Estimates only — not financial advice. Your lender statement is the authoritative schedule for your loan.

Frequently asked questions

What is an amortization schedule?

It is a table showing each payment over the life of a loan, split into principal and interest, with the remaining balance after each payment.

Why is most of my early payment interest?

Interest is charged on the outstanding balance, which is highest at the start. As the balance falls, the interest portion shrinks and more goes to principal.

How do extra payments change the schedule?

Extra payments go straight to principal, which lowers future interest and shortens the loan, saving money overall.

Does a shorter term really save money?

Yes. A shorter term means higher monthly payments but much less total interest because you borrow for less time.