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£20 an Hour Is How Much a Year?
The UK’s most common full-time week is 37.5 hours (9-to-5 with a lunch break), which makes the conversion hourly rate × 1,950. A true 40-hour contract earns £41,600 instead. Unlike hourly work in some countries, UK employees are paid for their statutory holiday weeks, so the 52-week figure is the right one for comparing against salaried offers.
Part-time: £20/hour at fewer hours
| Hours / week | Per week | Per month | Per year |
|---|---|---|---|
| 16 | £320 | £1,387 | £16,640 |
| 20 | £400 | £1,733 | £20,800 |
| 25 | £500 | £2,167 | £26,000 |
| 30 | £600 | £2,600 | £31,200 |
| 37.5 | £750 | £3,250 | £39,000 |
| 40 | £800 | £3,467 | £41,600 |
After tax: what £20/hour actually pays
On £39,000 a year in 2026-27 (England, Wales or Northern Ireland, standard 1257L code, no student loan or pension), deductions are about £5,286 income tax and £2,114 employee National Insurance. That leaves roughly £31,600 a year — £2,633 a month, an effective deduction rate of 19%, and a true take-home of about £16.20 per hour worked. Scotland’s bands differ. See the full breakdown at £40,000 take-home, or add your student loan plan and pension with the UK Income Tax Calculator.
Rises and overtime at £20/hour
A £1/hour rise is £1,950 a year at 37.5 hours, of which you keep roughly £1,404 after tax and NI — only the new pounds are taxed at your marginal rate, so a rise never makes existing pay worse. On overtime, the UK has no statutory premium — time-and-a-half is contract, not law — so the number that matters is in your employment contract, with the National Minimum Wage as the only legal floor (current rates on GOV.UK).
Frequently asked questions
£20 an hour is how much a year?
On the most common UK full-time week of 37.5 hours, £20 per hour is £39,000 a year (52 weeks). On a 40-hour week it is £41,600. Paid holiday is included in these figures because UK employees are paid for leave weeks.
£20 an hour is how much a month?
About £3,250 per month before deductions (£39,000 ÷ 12) at 37.5 hours a week, or £750 per week and roughly £150 per 7.5-hour day.
How much is £20 an hour after tax?
In 2026-27, on £39,000 a year (England/Wales/NI, standard tax code, no student loan or pension), deductions are about £5,286 income tax and £2,114 National Insurance, leaving roughly £31,600 a year — £2,633 a month, an effective rate of 19%, and a true take-home of about £16.20 per hour worked.
What does a £1/hour rise from £20 actually add?
One more pound per hour is £1,950 more per year at 37.5 hours. After income tax and National Insurance you keep roughly £1,404 of it (2026-27, standard assumptions). Only the new pounds are taxed at your marginal rate — a rise never increases the tax on pay you already earn.
Is overtime paid extra in the UK?
Unlike the US, the UK has no statutory overtime premium — overtime pay is whatever your contract says, and some salaried roles pay none. The only legal floor is that average pay must not fall below the National Minimum Wage; check your contract for the actual overtime rate.
Gross figures are exact arithmetic on the stated hours. Take-home estimates use 2026-27 rates for England/Wales/NI with the standard Personal Allowance and no student loan, pension, or benefits in kind; Scottish rates differ. Not tax advice.