All calculators

Estimate the monthly payment, total interest and total cost of a personal loan. Enter the amount you want to borrow, the interest rate (APR) and the term in years.

Calculate the monthly cost and total cost of a car loan, including any deposit or trade-in value.

Estimate your monthly mortgage payment based on property price, deposit, interest rate and term. Useful for both first-time buyers and remortgaging.

Project how much an investment or savings pot will be worth after years of monthly contributions and compounding returns.

Tell us your goal, how long you have and the return you expect — we'll tell you how much to set aside each month.

Simple interest is calculated only on the original principal — useful for short-term loans, bonds and back-of-envelope estimates.

Estimate how big your pension pot will be at retirement and how much sustainable monthly income it could produce.

Enter your current balance, APR and monthly payment to see how long it will take to clear and how much interest you'll pay along the way.

Work out your UK income tax and National Insurance for the 2025/26 tax year. Covers personal allowance taper, basic, higher and additional rates.

See exactly what lands in your bank account each month after income tax, National Insurance, pension and student loan deductions.