Home / Loan Repayment Calculator

Loan Repayment Calculator

Enter the amount you want to borrow, the APR and how long you will repay over. The calculator gives the monthly repayment and what the loan costs in total.

Loan

£
%
years
Monthly repayment
£0
Number of payments
0
Total interest
£0
Total repaid
£0
Treats the APR as an annual rate compounded monthly, as UK lenders quote it. Fees not included in the APR are not counted. The rate you are offered depends on your credit record.

Estimates for planning only, not financial, tax or building advice. Check with a professional before you decide. Terms

How loan repayments are worked out

Monthly rate r = (1 + APR)^(1/12) − 1
Repayment = amount × r ÷ (1 − (1 + r)^−months)

The APR includes the interest and any compulsory fees, so it is the fairest way to compare loans. A longer term lowers the monthly repayment but raises the total interest.

Worked example

Borrowing £10,000 at 7.9% APR over 5 years costs £200.99 a month. Over 60 payments you repay £12,059.19, so the loan costs £2,059.19 in interest.

Borrowing for a house? Use the mortgage repayment calculator.

Frequently asked questions

How much is a £10,000 loan over 5 years?

At 7.9% APR, about £200.99 a month, with £2,059.19 of interest in total.

Is a shorter loan term better?

It costs less interest overall but the monthly repayment is higher. Choose a repayment you can afford comfortably.

Does this work for car finance?

Yes for a straightforward hire purchase or car loan. PCP deals have a final balloon payment, so the monthly cost will be lower than shown.

Add this calculator to your website

Free for blogs, estate agents, builders and motoring sites: paste this code into your page (WordPress: Custom HTML block). No ads inside the widget. More options on the free calculator widgets page.

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Last updated October 2026.