HMRC tax calculator for income tax, Class 4 NICs, interest and penalties

Released 09 April 2019

HMRC have produced a tax calculator to work out income tax, Class 4 National Insurance contributions, interest and penalties for tax years 2008-09 to 2017-18.

The calculator is for use by individuals whose tax affairs are straightforward and who are only entitled to basic personal allowances.

View the calculator at Calculate tax, interest, penalties and Class 4 National Insurance contributions for the tax years ended 5 April 2009 to 5 April 2018.

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