Tax code decoder
England / Northern Ireland
Code explanation
Approximate coded annual tax-free amount: £12,570. The suffix describes the adjustment type; check HMRC’s calculation for the exact amount.
This tool explains common tax codes. It cannot confirm that your code is correct or work out cumulative PAYE. The main salary calculator uses a standard annual allowance rather than your custom code.
Official HMRC tax-code meanings · checked 23 October 2026.
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See the Income Tax and NI tools.
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To see how much of your salary you could receive, work out your pay after deductions. The estimate uses the standard tax allowance. Your tax code and earlier pay can make your payslip different.