Calculate tax, interest and penalties for the tax years endedending 5 April 2010 to 5 April 20222023
Use this form to work out incomeIncome tax,Tax, interest, penalties and Class 4 National Insurance contributions for tax years endedending 5 April 2010 to 5 April 2022.2023.
Before you start
This form is interactive (one that you complete on screen) and you must use Adobe Reader to complete it.
How to complete the form
You need to:
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Download and save the form on your computer.
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Open it using the latest free version of Adobe Reader.
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Complete it on-screen.
Updates to this page
Published 22 November 2022Last updated
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The tax, interest and penalty calculator for the tax years ending 5 April 2010 to 5 April 2023 has been updated.
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The tax, interest and penalty calculator has been updated to include the tax years ending 5 April 2010 to 5 April 2022.
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Title and form corrected to say 'for tax years ended 5 April 2010 to 5 April 2021'.
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The tax, interest and penalty calculator for the tax years ending 5 April 2011 to 5 April 2021 has been updated.
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First published.
Update history
2025-04-17 16:00
The tax, interest and penalty calculator for the tax years ending 5 April 2010 to 5 April 2024 has been updated.
2025-03-13 11:31
The calculator has been updated to take account of the recent interest rate change.
2024-12-23 11:14
The tax, interest and penalty calculator for the tax years ending 5 April 2010 to 5 April 2023 has been updated.
2024-01-26 15:24
The tax, interest and penalty calculator has been updated to include the tax years ending 5 April 2010 to 5 April 2022.
2023-01-27 12:09
Title and form corrected to say ‘for tax years ended 5 April 2010 to 5 April 2021’.
2022-12-22 14:21
The tax, interest and penalty calculator for the tax years ending 5 April 2011 to 5 April 2021 has been updated.
2022-11-22 14:50
First published.