What is an HMRC tax code?

A tax code is used to record how much a person can earn before paying tax on their income. It can also list any special rates or circumstances that apply.

To most people, tax codes are very mysterious but once you look into them, they're actually not that confusing - and can even be pretty useful to understand.

Basically, a tax code consists of a number that represents what you can earn before paying tax, and one or more letters. You multiply the number by 10 to get your tax-free personal allowance, then decode the letters to see what other conditions apply.

Visit our Tax codes page to see how to check your code and how to get advice on things like tax code reductions and emergency tax codes from RIFT if it changes.