⚡ Free UK Tax Calculators
Every calculator you need, in one place
Free, instant and built for UK taxpayers. All figures based on confirmed 2026/27 rates (post Autumn Budget 2025).
VAT Calculator
Add or remove VAT at 20%, 5% or 0%. Forward and reverse calculations for invoicing and pricing.
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Salary vs Dividends Optimiser
Find the optimal salary + dividend mix for company directors. Full income tax and NI breakdown.
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Corporation Tax Calculator
Calculate your company's CT liability including marginal relief between £50,000 and £250,000.
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Dividend Tax Calculator
Calculate the tax on your dividends including the £500 allowance and all three dividend bands.
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Employer Staff Cost
The true cost of employing someone — salary, employer NI, pension and on-costs in one figure.
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Holiday Entitlement
Calculate statutory holiday entitlement for full-time, part-time, shift and zero-hours workers.
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Capital Allowances
Calculate AIA, full expensing and writing down allowances on plant, machinery and equipment.
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Benefit In Kind
Tax on employee benefits — company cars, private medical insurance, loans and more.
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Stamp Duty Land Tax
SDLT for home movers, first-time buyers, second homes and buy-to-let across all price bands.
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Rental Income Tax
Tax on rental income with the Section 24 restriction and old vs new rules comparison.
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Mortgage Calculator
Monthly repayments, total interest and amortisation schedule. Compare and model overpayments.
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Self Assessment Calculator
Income tax and NI across all sources for 2026/27, including pension relief and student loan.
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Pension Carry Forward
Calculate unused pension annual allowance you can carry forward from the previous three years.
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Capital Gains Tax
CGT on property, shares and business assets including the annual exempt amount.
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Disclaimer: These calculators are for guidance only and use confirmed 2026/27 UK tax rates (post Autumn Budget 2025). They should not be relied upon for final tax decisions. For tailored advice based on your specific circumstances, book a free call.