What £21,000 looks like after tax
On a £21,000 salary in 2026/27, you keep £18,640 a year once income tax and National Insurance come off, which is about £1,553 a month or £358 a week. The top of your pay falls in the basic rate band at 20%, and your effective deduction rate across the whole salary is about 11.2%. If you repay a student loan or pay into a pension, your take-home will be lower, so use the full calculator to add those.
How the deductions break down
Your income tax on £21,000 is £1,686.00 and your National Insurance is £674.40. The first £12,570 of your salary is tax-free under the Personal Allowance. National Insurance is charged at 8% on earnings between £12,570 and £50,270, then 2% above that. Both come off your pay through PAYE before it reaches your account.
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Simon is the founder of Orbit Money, a tool that helps people track subscriptions and recurring spend. He builds Orbit's free money calculators and writes about personal finance for UK and Australian readers.
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