Free UK Tax & Business Calculators

Professional calculators powered by Apex Accountants — accurate, free, no signup required

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UK Income Tax Calculator
Calculate take-home pay after tax, NI, student loan and pension
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Take-Home Pay Calculator
Net pay from annual salary or hourly rate — yearly, monthly, weekly
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Corporation Tax Calculator
Corp tax on profits including marginal relief for 2026/27
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VAT Calculator
Add or remove VAT at 20%, 5%, or 0% instantly
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Dividend Tax Calculator
Tax on dividend income above the £500 allowance
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IR35 Take-Home Calculator
Compare inside vs outside IR35 for contractors
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Self-Employed Take-Home
Sole trader income tax and NI for 2026/27
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R&D Tax Credit Calculator
Estimate R&D tax relief under the merged scheme
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Capital Gains Tax Calculator
CGT on property and non-property gains
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Ltd Co vs Sole Trader
Compare take-home pay and find the best structure
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Profit Margin Calculator
Calculate gross and net profit margins for your business
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