Last updated: October 2026.
General guidance only
Our calculators give estimates based on the official UK rules listed on how we calculate. They are not financial, tax or legal advice. Your actual pay depends on your tax code, payroll timing and other details we don't ask for.
No guarantee
We work hard to keep every rate correct and tested, but we can't guarantee that results are error-free or right for your situation. Check important decisions with HMRC, your employer or a qualified adviser.
Changes
We update rates when they change and note it in our changelog. The date above shows the latest version of these terms.