Debt management

Loan Repayment Calculator

Enter your loan amount, interest rate and term to see the monthly repayment and total interest.

  • Free
  • No sign-up
  • Updated for 2026

Loan details

$
%
yr
Extra payments
$

per month

Enter the loan amount, rate and term to see the repayment.

Worked example

With these example inputs:

  • Loan amount$15,000
  • Interest rate8%
  • Loan term5 yr

Monthly payment: $304

  • Loan amount$15,000
  • Total interest$3,249
  • Total of payments$18,249
  • Payoff time5 yr

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What this loan repayment calculator does

This calculator finds your monthly loan repayment. You enter the loan amount, rate, and term. The tool shows the payment in the currency you choose. It can also include an extra payment. This is a simple planning tool. Try a range of inputs to compare. The result helps you plan a repayment.

What a loan repayment is

A loan repayment is your fixed monthly cost to clear the loan. It covers principal and interest over the term. The same amount is due each month. By the end the loan is fully repaid. It is a core part of any budget. It is paid monthly. It uses the currency you pick.

How it is calculated

The tool takes your loan amount. It spreads it over the term in equal payments. It adds interest at your rate each month. The payment is set so the loan ends at zero. An extra payment shortens the term. The calculator works it out for you.

What the result tells you

The result shows your monthly repayment. A loan of fifteen thousand at eight percent over five years costs about three hundred four a month. A higher rate or amount raises it. A longer term lowers each payment. So it shows what you must pay. It is a clear monthly figure.

Principal and interest

Each payment splits into principal and interest. Principal pays down what you borrowed. Interest is the cost of the loan. Early payments are mostly interest. Later ones are mostly principal. So the split shifts over time. This is how a loan amortizes.

The effect of the rate

The rate drives the cost of a loan. A higher rate lifts every payment. It also adds to the total interest. Even a small rate change adds up. So shopping for a low rate pays off. A lower rate frees up cash. Compare a few rates before you sign.

Making extra payments

An extra payment goes straight to principal. So it shrinks the balance faster. That cuts the interest you pay. It can also end the loan early. Even a small extra helps over time. So pay more when you can. It is a simple way to save.

How to use it

Enter the loan amount first. Add the rate and term. Read your monthly repayment in the currency you choose. Add an extra payment to see the effect. Then compare a couple of scenarios. Compare a few terms. Use it to plan a repayment.

The limits of this calculator

Every tool has its limits. It assumes a fixed rate for the term. It does not include any fees. Some loans carry an origination fee. A variable rate can change the payment. So treat it as a ballpark. So treat the number with care.

Common mistakes to avoid

A common mistake is ignoring the total interest. A low payment can still cost a lot. Another is focusing only on the payment. A longer term lowers it but adds interest. Some forget about fees. Others skip comparing rates. A solid estimate keeps these mistakes away.

A final tip

Use this to plan your repayment. Remember the payment covers principal and interest. Watch the total interest closely. Compare a few rates before you borrow. Pay a little extra when you can. Do not pick a term too long. A quick review keeps you on track.

Frequently asked questions

How is a loan repayment calculated?

The amount, rate and term are combined in the amortization formula to give a level monthly payment. A $15,000 loan at 8% over 5 years costs about $304 a month.

How do extra payments help?

Adding to each payment reduces the balance faster, so less interest accrues and the loan clears sooner. Even small extra amounts can shorten the term noticeably.