You can find out everything you need to know about income tax in our income tax guides.
But this calculator can help you work out how much income tax you'll need to pay in the 2018-19 tax year.
Simply enter what you earned during the 2018-19 tax year and we'll do the hard work for you, showing you exactly how much income tax and National Insurance you'll pay this tax year.
If you pay income taxes in Scotland, hit the 'Do you live in Scotland?' tab to get the correct figures.
And if you want to know how much tax you'll pay in the 2019-20 tax year, simply use the drop down to navigate to next year.
Income tax calculator for 2018-19
Income tax rates for 2018/19
Income tax bands rose on 6 April 2018. The rates and bands are as follows:
- Income up to £11,850 - 0% income tax. This is your personal tax-free allowance.
- Income between £11,850 and £46,350 - 20% income tax
- Income between £46,351 and £150,000 - 40% income tax
- Income above £150,001 - 45% income tax
Note that your personal allowance reduces by £1 for every £2 you earn over £100,000. So, by the time you earn, £123,700, you'll pay income tax on everything you earn and get no personal tax-free allowance.
Income tax rates in 2017-18
Income tax bands increased on 6 April 2018. In the 2017-18 tax year, they were as follows:
- Income up to £11,500 - 0% income tax. This is your personal tax-free allowance.
- Income between £11,501 and £45,000 - 20% income tax
- Income between £45,001 and £150,000 - 40% income tax
- Income above £150,001 - 45% income tax
Note that your personal allowance will reduce by £1 for every £2 you earn over £100,000. So, if you earned £123,000, you'll have paid income tax on everything you earn, receiving no personal tax-free allowance.
More tax calculators from Which?
- National Insurance calculator - find out how much you'll pay
- Dividend tax calculator - work out tax on share income
- The Which? tax calculator - work out your tax bill and submit directly to HMRC
