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 pay in the 2018/19 tax year.
Simply enter in your current salary and we'll do the hard work for you, showing you exactly how much income tax you'll pay next tax year.
Income tax calculator for 2018/19
Note that this tax calculator only applies to people in England, Wales and Northern Ireland. Scottish income tax rates are different. You can find out more in our guide to income taxes in Scotland.
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 will reduce 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, by the time you earn, £123,000, you'll pay income tax on everything you earn and get 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
