Free UK Calculators
Tax, salary, mortgage, pension, VAT and more — updated for the 2025/26 tax year. All calculations run in your browser.
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Popular Calculators
Income Tax Calculator
2025-26Calculate your UK income tax for the 2025/26 tax year. See your Personal Allowance, Basic Rate, Higher Rate and Additional Rate tax breakdown.
Scottish Income Tax Calculator
2025-26Calculate Scottish income tax with all 6 bands: Starter, Basic, Intermediate, Higher, Advanced and Top rate for 2025/26.
National Insurance Calculator
2025-26Calculate your Class 1 National Insurance contributions as an employee for the 2025/26 tax year.
Employer National Insurance Calculator
2025-26 NewCalculate employer NI contributions at the new 15% rate from April 2025, with the reduced £5,000 secondary threshold.
VAT Calculator
Add or remove VAT at 20%, 5% or 0%. Calculate VAT-inclusive and VAT-exclusive amounts instantly.
Stamp Duty Calculator (SDLT)
2025-26 NewCalculate Stamp Duty Land Tax on property purchases in England and Northern Ireland. Updated for April 2025 threshold changes.
Self-Assessment Tax Calculator
2025-26Estimate your self-assessment tax bill including income tax, National Insurance Class 2 and Class 4 for self-employed.
Take-Home Pay Calculator
2025-26Calculate your net pay after income tax, National Insurance and pension deductions. See weekly, monthly and annual take-home pay.
Redundancy Pay Calculator
2025-26Calculate statutory redundancy pay based on your age, weekly pay and years of service. Updated for 2025/26.
Mortgage Repayment Calculator
Calculate monthly mortgage repayments for repayment and interest-only mortgages. See total interest paid over the term.
Mortgage Affordability Calculator
Find out how much you could borrow based on your income, expenses and deposit. Uses typical UK lender criteria.
Workplace Pension Calculator
Calculate your workplace pension contributions and projected pot at retirement under auto-enrolment.