Tools

UK Tax Calculators & Tools

Free, instant UK tax calculators using HMRC 2025/26 rates. All calculations run in your browser — no data leaves your device.

Calculators

See your full take-home pay breakdown after Income Tax, National Insurance, pension, and student loan.

Calculate how much of your bonus you actually take home after tax and NI.

See how much of a pay rise you keep after tax. Spot cliff edges before they bite.

Work backwards from your target take-home to find the gross salary you need.

Compare before and after salary sacrifice for pension, EV, or cycle-to-work schemes.

Calculate your tax bill as a sole trader: Income Tax, Class 4 NI, and take-home profit.

Identify the 60% tax trap and find the pension contribution that eliminates it.

Compare two offers side by side: salary, pension, benefits — see which leaves you better off.

Model your household income with childcare costs, Child Benefit, and tax implications.

Two earners? See your combined take-home and how each income is taxed.