tax on income calculator uk

UK Income Tax & Take-Home Pay Calculator

Estimate your annual and monthly take-home pay for the UK. This tool includes Income Tax, National Insurance, optional student loan deductions, and personal allowance tapering over £100,000.

Tax region

Annual gross salary (£)

Other taxable income (£)

Example: freelance income, taxable benefits, or side income. NI is not applied to this field in this estimate.

Pension contributions (annual, £)

Assumes contributions reduce taxable income (salary sacrifice style estimate).

Student loan plan

Enter your details and click Calculate Tax to see your estimate.

How this UK income tax calculator helps

If you have ever asked, “How much tax do I pay in the UK?” you are not alone. Your payslip includes several deductions, and it can be difficult to see where your money goes. This calculator gives you a practical estimate of your yearly and monthly take-home pay using the key rules most employees care about:

Income Tax bands for England/Wales/Northern Ireland or Scotland
Personal Allowance, including tapering above £100,000
Employee National Insurance (Class 1) estimate
Optional student loan deductions
Pension contributions as a reducing adjustment to taxable income

UK income tax basics at a glance

1) Personal Allowance

Most people start with a Personal Allowance of £12,570. Income below this is usually tax-free. Once adjusted net income exceeds £100,000, your allowance is reduced by £1 for every £2 over that threshold, and can fall to £0.

2) Income Tax bands

For most UK taxpayers (England, Wales, Northern Ireland), earnings above the allowance are taxed at progressive rates. Scotland has its own non-savings income tax bands and rates.

Region	Main structure used in this calculator
England / Wales / NI	20% basic, 40% higher, 45% additional
Scotland	19% starter, 20% basic, 21% intermediate, 42% higher, 45% advanced, 48% top

3) National Insurance

National Insurance is separate from Income Tax and is typically calculated on employment earnings. This calculator uses a simple annualized estimate with a main rate and upper rate band for employees.

4) Student loan repayments

Repayments are based on income above your plan threshold. If your salary rises, repayments can increase even when your tax code does not change.

How to use this calculator effectively

Enter your annual gross salary (before deductions).
Add any additional taxable income if relevant.
Enter annual pension contributions to see impact on taxable income.
Select your tax region and student loan plan.
Click calculate and review annual + monthly figures.

Example use cases

Comparing job offers

If two jobs differ in salary by only a few thousand pounds, this tool helps you compare realistic take-home pay after tax, NI, and student loan deductions.

Testing pension strategy

Increase your pension input to model how contributions might reduce taxable income and improve long-term wealth building.

Budget planning

Monthly take-home estimates are useful for rent affordability checks, emergency fund planning, and debt repayment strategies.

Important notes and limitations

This is an educational estimate, not personal tax advice. It does not include every real-world scenario (such as marriage allowance transfers, salary sacrifice nuances, benefits-in-kind detail, dividends, savings rates, or complex multi-job PAYE interactions). Always confirm with HMRC guidance or a qualified professional for decisions that matter.

Tax rules and thresholds can change. If you are making major financial choices, verify current-year rates and your exact payroll setup.

Final thoughts

A clear tax on income calculator for the UK can make your finances much easier to manage. Whether you are planning a raise, reviewing your payslip, or deciding pension contributions, understanding net pay gives you better control over your money.