UK Income Tax Calculator 2020/21

Calculate your Income Tax and National Insurance for the 2020/21 tax year. Based on official HMRC PAYE thresholds for England, Wales and Northern Ireland.

UK Income Tax Calculator (2020/21)

Estimate your take-home pay after Income Tax and National Insurance for the 2020/21 tax year.

Estimates only — for 2020/21 HMRC tax year values.

Ready
Monthly Take-Home £0.00
Annual Take-Home £0.00
Effective Tax Rate 0%
Breakdown Annual (£)
Gross Salary £0.00
Pension £0.00
Income Tax £0.00
National Insurance £0.00
Net Income £0.00

Income Tax & National Insurance Rates 2020/21

Income Tax Bands (England, Wales & Northern Ireland)
Band Income Range Rate
Personal Allowance £0 – £12,500 0%
Basic Rate £12,501 – £50,000 20%
Higher Rate £50,001 – £150,000 40%
Additional Rate Over £150,000 45%
National Insurance (Employee Class 1)
£0 – £9,500 0%
£9,501 – £50,000 12%
Above £50,000 2%

Scottish residents use different Income Tax bands for earned income.

How UK Income Tax Works (2020/21)

Income Tax and National Insurance were applied through PAYE. This tax year was the first where the NI lower threshold increased to £9,500, reducing NI for many workers.

  • £12,500 Personal Allowance before any tax is due.
  • Basic rate (20%) applied up to £50,000.
  • Higher rate (40%) applied above that.
  • NI threshold increase meant less NI for low earners.
  • Additional rate applied at £150,000+.

This calculator follows all official HMRC 2020/21 PAYE and NI rules.

2020/21 Income Tax Examples

Salary: £20,000
  • Income Tax: £1,500
  • NI: ~£1,260
  • Take-home: ~£17,240
Salary: £40,000
  • Income Tax: £5,500
  • NI: ~£3,660
  • Take-home: ~£30,840
Salary: £80,000
  • Income Tax: ~£17,500
  • NI: ~£5,100
  • Take-home: ~£57,400

Frequently Asked Questions

Yes — the Personal Allowance increased to £12,500. Other bands remained largely unchanged.

Yes — the NI lower earnings threshold increased to £9,500, meaning lower NI for many employees.

This UK Income Tax Calculator uses official HMRC 2020/21 Income Tax and National Insurance thresholds for employees in England, Wales and Northern Ireland.