£18.00 an Hour After Tax (2026/27)
At £18.00 per hour on a 37.5-hour week, you earn about £35,100 a year — taking home £28,792 after tax and National Insurance, or £2,399.30 a month.
Different hours or salary? Use the full take-home pay calculator.
How this is calculated
Annual pay is hourly rate × 37.5 hours × 52 weeks. The first £12,570 is tax-free (Personal Allowance); income above that is taxed at 20% up to £50,270 and 40% beyond. Employee National Insurance is 8% between £12,570 and £50,270 and 2% above. Figures use official 2026/27 HMRC rates with a standard tax code, no student loan or pension.
FAQ
How much is £18.00 an hour annually?
On a standard 37.5-hour week worked all year, £18.00 an hour is £35,100 gross per year. After income tax and National Insurance you take home £28,792 — about £2,399.30 a month in the 2026/27 tax year.
What is £18.00 an hour after tax?
Your effective after-tax hourly rate works out to about £14.76 per hour, once £4,506 income tax and £1,802 National Insurance are deducted over the year — a combined deduction rate of 18.0%.
What if I work different hours?
These figures assume 37.5 hours a week for 52 weeks. If you work 40 hours, your annual gross would be £37,440; at 20 hours it would be £18,720. Use our take-home pay calculator with your own annual figure for a precise breakdown.