Understanding how much tax you actually pay can be confusing, especially with personal allowances, different tax bands, and National Insurance on top. This calculator takes your gross annual salary and shows you exactly how much income tax and National Insurance you will pay in the 2025/26 tax year, what your take-home pay will be weekly and monthly, and a clear breakdown of which tax band each portion of your income falls into.
It also shows your effective tax rate so you can see the real percentage of your income that goes to tax. If you have any comments or would like additional tools, please leave a comment at the bottom of this page.
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