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Amortization Calculator

Build a full repayment schedule and see what extra monthly payments save.

Optional, only used to label each row and name the payoff month.

Goes straight to principal on top of the scheduled payment.

Useful for testing a payment that is smaller than the scheduled one.

Monthly payment

$0.00

Total interest

$0.00

Total of payments

$0.00

Term taken

-

Paid off

-

Months saved

-

Interest saved

-

Period Payment Principal Interest Remaining balance

The table scrolls instead of stretching down the page, so switch to the yearly summary before printing: it fits on one sheet and keeps the closing balance for each year. The CSV follows whichever view is on screen, and every row is built in your browser from the figures above.

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What Is Amortization Calculator?

Amortization Calculator builds a full repayment schedule and shows how every payment splits between interest and principal until the balance reaches zero. Enter the amount, rate, and term to get the monthly payment, total interest, total of payments, and the month the debt clears, then switch between a yearly summary and a month by month table. Adding an extra monthly payment reports how many months and how much interest it saves, and a payment too small to cover the interest is flagged in plain words.

Who Uses the Amortization Calculator?

Borrowers comparing car or personal loans use it to see the true cost of a term and what paying a little more each month would actually save.

How to Use the Amortization Calculator

  1. Fill in the loan amount, annual rate, and term, optionally setting a first payment date.
  2. Add an extra monthly payment, or tick the fixed payment box to test a smaller figure.
  3. Toggle between yearly summary and monthly detail, then download the schedule on screen as CSV.

Why Choose Our Amortization Calculator?

  • Interest and principal separated for every month of the loan
  • Extra payments measured in months and interest saved, not guesswork
  • CSV export built in the browser, ready for a spreadsheet

Try the Amortization Calculator above — it is free, fast, and works on any device. Bookmark this page to return whenever you need it.