Change description : 2025-04-17 16:00:00: The tax, interest and penalty calculator for the tax years ending 5 April 2010 to 5 April 2024 has been updated. [Guidance and regulation]
Calculate tax, interest and penalties for the tax years ending 5 April 2010 to 5 April 20232024
Use this form to work out Income Tax, interest, penalties and Class 4 National Insurance contributions for tax years ending 5 April 2010 to 5 April 2023.2024.
This file may not be suitable for users of assistive technology.
Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.