2026/27 tax codes
Tax code 0T explained
- 0T means you get no tax-free allowance on this job, so tax starts on your first pound.
How much tax 0T takes
| Salary | Tax a year on 0T | Tax a year on 1257L | Difference a month |
|---|---|---|---|
| £20,000 | £4,000 | £1,484 | +£209.65 |
| £30,000 | £6,000 | £3,484 | +£209.65 |
| £45,000 | £10,460 | £6,484 | +£331.32 |
| £60,000 | £16,460 | £11,428 | +£419.30 |
| £90,000 | £28,460 | £23,428 | +£419.30 |
Income tax through PAYE only, with no pension or benefits. Try your own salary with 0T.
Check another code
Common questions
What does tax code 0T mean?
0T means you get no tax-free allowance on this job, so tax starts on your first pound.
How much tax does 0T take on £30,000?
On a £30,000 salary, code 0T takes £6,000 of income tax a year through PAYE in 2026/27, compared with £3,484 on 1257L.
Is 0T the right tax code for me?
Check your code in the HMRC app or your Personal Tax Account. If it does not match your situation, tell HMRC: overpaid tax is refunded and underpaid tax is usually collected through next year's code.
Official sources
Every rate and threshold on this page is checked against these official pages. How we calculate
- Tax codes (GOV.UK)
- Emergency tax codes (GOV.UK)
- PAYE Manual (HMRC)
- Check your Income Tax for the current year (HMRC)
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