Free Mortgage & Loan Calculators for the UK

Plan your borrowing with confidence. Work out repayments, see how overpayments cut interest, estimate how much you can borrow and compare mortgage deals — all calculated privately in your browser.

• Mortgage Calculator — Work out monthly repayments, total interest and loan-to-value, repayment or interest-only.
• Mortgage Overpayment Calculator — See the interest you save and the time you cut by overpaying your mortgage.
• Loan Repayment Calculator — Calculate monthly repayments and total interest, and compare rates and terms.
• Mortgage Affordability Calculator — Estimate how much you could borrow and your property budget from income and outgoings.
• Loan Interest Calculator — Compare simple and compound interest and see the total cost of borrowing.
• Mortgage Comparison Calculator — Compare two mortgage deals on rates, fees and true cost over the initial period.