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Loan repayment calculator
Work out the repayment on any amortising loan, and what paying extra each period saves in time and interest.
Assumes a fixed rate and repayments made on schedule. Early-repayment charges are not modelled — check whether your lender applies one before overpaying.
How this is worked out
PMT = P × i ÷ (1 − (1 + i)^−n)What this assumes
A calculator is only as good as what it leaves out. These are the assumptions built into the result above.
- The rate is fixed for the full term.
- Repayments are equal and made on schedule.
- Any upfront fee entered is added to the amount borrowed.
- Early-repayment charges are not modelled — check whether your lender applies one before overpaying.
Educational information only. This page explains how something works in the United Kingdom. It is not financial advice and does not take account of your circumstances. Rates, fees and eligibility change without notice — check the provider’s own terms before you act.
For free, impartial guidance, see MoneyHelper. To complain about a firm, contact the Financial Ombudsman Service.
Guides that go with this tool
What Is APR? Representative APR Explained
APR is the yearly cost of borrowing including compulsory charges. In the UK, most advertised rates are 'representative' — which means fewer than half of applicants may get them.