Financial calculators

Free, simple online calculators. Everything runs in your browser โ€” no sign-up and no data sent anywhere.

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Loan payment calculator

Work out your monthly payment, total cost and interest.

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Household budget

Where your money goes and where you can save.

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UK salary / take-home

Take-home pay after Income Tax and National Insurance.

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Compound interest

How much you build up by saving regularly over years.

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Inflation calculator

How inflation changes the value of money over time.

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Rent vs buy

Which is cheaper over the long run.

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Debt / card payoff

How long to clear a debt and the interest you'll pay.

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Car running costs

Monthly and yearly cost of owning a car.

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Percentage calculator

Percent of a number, share and percentage change.