Free, independent
financial calculators.

Built for the UK. No products to sell. No commissions earned. Just honest numbers.

📈 Free

ISA Calculator

Pick the retirement lifestyle you want. We calculate exactly how much to put into your Stocks & Shares ISA each month to get there.

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💹 Free

Tax Calculator

Enter your salary and your investment gains. We work out exactly what HMRC takes in CGT and what you actually keep.

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🏦 Free

Pension Planner

Workplace contributions, employer matching, tax relief. See what your pension pot will actually be worth and whether it hits your goal.

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🏠 Free

Mortgage Calculator

Monthly repayments, total interest, LTV. Plus see exactly how much you save in interest by overpaying even a small amount each month.

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💷 Free

Budget Planner

Enter your take-home pay and ISA target. We build a realistic UK monthly budget across rent, food, transport, going out and savings.

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Why free?

Financial advisers charge hundreds per hour. Banks have products to sell. We don't. Every calculator here is free, with no signup required, and that will never change.