Free UK Calculators

Tax, salary, mortgage, pension, VAT and more — updated for the 2025/26 tax year. All calculations run in your browser.

Popular Calculators

I

Income Tax Calculator

2025-26

Calculate your UK income tax for the 2025/26 tax year. See your Personal Allowance, Basic Rate, Higher Rate and Additional Rate tax breakdown.

S

Scottish Income Tax Calculator

2025-26

Calculate Scottish income tax with all 6 bands: Starter, Basic, Intermediate, Higher, Advanced and Top rate for 2025/26.

N

National Insurance Calculator

2025-26

Calculate your Class 1 National Insurance contributions as an employee for the 2025/26 tax year.

E

Employer National Insurance Calculator

2025-26 New

Calculate employer NI contributions at the new 15% rate from April 2025, with the reduced £5,000 secondary threshold.

V

VAT Calculator

Add or remove VAT at 20%, 5% or 0%. Calculate VAT-inclusive and VAT-exclusive amounts instantly.

S

Stamp Duty Calculator (SDLT)

2025-26 New

Calculate Stamp Duty Land Tax on property purchases in England and Northern Ireland. Updated for April 2025 threshold changes.

S

Self-Assessment Tax Calculator

2025-26

Estimate your self-assessment tax bill including income tax, National Insurance Class 2 and Class 4 for self-employed.

T

Take-Home Pay Calculator

2025-26

Calculate your net pay after income tax, National Insurance and pension deductions. See weekly, monthly and annual take-home pay.

R

Redundancy Pay Calculator

2025-26

Calculate statutory redundancy pay based on your age, weekly pay and years of service. Updated for 2025/26.

M

Mortgage Repayment Calculator

Calculate monthly mortgage repayments for repayment and interest-only mortgages. See total interest paid over the term.

M

Mortgage Affordability Calculator

Find out how much you could borrow based on your income, expenses and deposit. Uses typical UK lender criteria.

W

Workplace Pension Calculator

Calculate your workplace pension contributions and projected pot at retirement under auto-enrolment.