Free United Kingdom calculators

Free, accurate calculators for the UK — take-home pay, VAT, mortgages & more. Accurate, private and free — every calculation runs in your browser. 2026/27 tax year figures.

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Money & Tax

Take-Home Pay Calculator

See your net salary after Income Tax and National Insurance for 2026/27 — England, Wales, NI or Scotland, by week, month or year. Free UK calculator.

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Money & Tax

VAT Calculator

Add or remove UK VAT (20%) from any amount. Reverse-calculate the net price and VAT from a gross figure.

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Home & Loans

Mortgage Repayment Calculator

Estimate your monthly UK mortgage repayment, total repaid and total interest from the loan amount, rate and term.

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Savings & Investing

Compound Interest Calculator

Project how your savings or ISA grow over time with compound interest and regular monthly contributions.

Everyday

Percentage Calculator

Work out X% of any number in a click — plus the amount after adding or taking off that percentage. Free UK percentage calculator.

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Health

BMI Calculator

Calculate your Body Mass Index in metric (cm, kg) or imperial units, with the NHS healthy range.

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Home & Loans

Stamp Duty Calculator

Work out the Stamp Duty Land Tax (SDLT) on a property in England & Northern Ireland, including first-time buyer relief.

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Savings & Investing

Pension Contribution Calculator

See the real net cost of a pension contribution after tax relief — for basic, higher and additional-rate UK taxpayers.

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Money & Tax

Salary to Hourly Calculator

Convert an annual UK salary into an hourly, daily and weekly rate based on your working hours.

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Money & Tax

Student Loan Repayment Calculator

Work out your monthly UK student loan repayment for 2026/27 — Plan 1, 2, 4, 5 and Postgraduate — from your salary.

Calculators built for the United Kingdom

Every tool here uses United Kingdom rules and pounds sterling — UK Income Tax bands, National Insurance, 20% VAT and the metric system. Figures reflect the 2026/27 tax year and are sourced from GOV.UK. Nothing you type is sent anywhere — the maths happens on your device.

Curious what a specific salary is worth after tax? See our UK take-home pay by salary table — annual, monthly and effective rate from £20k to £120k. Paid hourly? Find out what an hourly wage is per year (£11–£30 an hour).

Looking for a different country? Switch between our 🇺🇸 United States and 🇬🇧 United Kingdom editions any time.

Straight answers to the questions people ask most — every one is a full page with the figures already worked out for 2026/27 tax year.

Salary after tax

What a given salary is actually worth once Income Tax and National Insurance come out — annual, monthly and effective rate.

Hourly pay to yearly

An hourly rate converted to a yearly salary at 37.5 hours a week, before and after tax.

Guides

Longer reads that explain the rules behind the numbers.