My UK Calculator

UK Income Tax Calculator

Estimate your UK income tax based on the current tax year's Personal Allowance and tax bands.

Income Tax Owed (2024/25)

£5,486

Taxable income
£27,430
Effective rate
13.72%
Marginal rate
20%

Assumptions

How it's calculated

Taxable income = gross income − Personal Allowance. Tax is applied progressively across the Basic/Higher/Additional rate bands.

Worked example

A £40,000 gross income after the Personal Allowance is taxed progressively across bands, shown live above.

Frequently asked questions

Does this include National Insurance?

No — this estimates income tax only. Use the Take-Home Pay calculator to include National Insurance too.