Calculators for everyday decisions

Clear, accurate answers to life's number questions. Work out repayments, compare options and plan ahead in seconds.

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Financial Calculators

Plan your finances with confidence.

Work out your monthly mortgage payment, with a year-by-year breakdown of interest and balance payments.

See how your savings could grow over time with compound interest and regular monthly contributions.

Work out the monthly payment and total cost of a personal loan, hire purchase or PCP car finance.

See your salary after income tax, National Insurance, pension and student loan, using 2026/27 rates.

Work out the Stamp Duty on a home in England or Northern Ireland, including first-time buyer relief.

Take the awkward maths out of shared costs.

Split a restaurant bill between friends, with a tip and set amounts for anyone paying differently.

Work out who owes whom after a trip or night out, and the simplest way to settle up.