Guidance
Check what your tax code means
Use this tool to find out what the numbers and letters in your tax code mean and how much tax you will pay.
Use this tax code checker to:
- find out what the letters and numbers in your tax code mean
- see how much Income Tax you’re due to pay
- update your records if something’s wrong
- understand the deductions included in your tax code
To use the tool, you will need your:
- tax code
- annual income, before any deductions
- company benefits details
- State Pension amount