SterlingCalc

Free UK Finance Calculators and Money Tools 2025/26

Instant, accurate tools for mortgages, tax, stamp duty and more. Trusted by UK homebuyers and investors.

Always free — no sign up required
Updated for 2025/26 tax year
Covers England & Northern Ireland

Available tools

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Stamp Duty Calculator

Calculate SDLT for residential and buy-to-let properties. Updated for 2025/26.

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Take Home Pay Calculator

See exactly what lands in your bank after income tax, NI, student loan and pension. Updated for 2025/26.

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Live

Mortgage Affordability Calculator

Find out how much you can borrow based on your income, deposit and expenses. Includes stress test.

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Coming Soon

ISA Calculator

Project your ISA savings growth with compound interest over time.

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UK Pension Calculator

Estimate your retirement pot and monthly pension income.

Coming Soon

Capital Gains Tax Calculator

Calculate your CGT liability on property, shares and other assets.

© 2026 SterlingCalc — for guidance only. Always consult a qualified professional for financial or legal advice.

Rates correct for 2025/26 tax year.