£18 an Hour After Tax UK (2026/27) — Weekly & Monthly Net Pay

Earning £18 an hour in the UK across a standard 37.5-hour workweek (52 weeks/year) equals £35,100 gross per year, giving you £2,399.30 net per month (£553.68 per week or £14.76/hr net) after 2026/27 HMRC Income Tax (£4,506.00) and Class 1 National Insurance (£1,802.40).

2026/27 UK Pay Breakdown (37.5 hrs/wk)	Annual / Weekly Figure	Monthly / Hourly Figure
Gross Hourly Rate	£18.00 / hour	£675.00 / week gross
Annual Gross Salary Equivalent	£35,100	£2,925.00/mo gross
HMRC Income Tax (1257L)	£4,506.00/yr	£375.50/mo
Class 1 National Insurance	£1,802.40/yr	£150.20/mo
Net Take-Home Pay (0% Baseline Pension)	£28,791.60/yr (£553.68/wk)	£2,399.30/mo (£14.76/hr net)

Frequently Asked Questions (2026/27 & 2027/28 UK Rules)

How much is £18 an hour per year and per month after tax in the UK?

Based on a 37.5-hour workweek over 52 weeks, £18 an hour equals £35,100 gross per year. After 2026/27 HMRC Income Tax and Class 1 National Insurance, your net take-home pay is £2,399.30 per month (£553.68 per week).

What is my net hourly take-home pay on £18 an hour?

After deducting Income Tax and Class 1 National Insurance, £18 gross per hour leaves £14.76 net per hour worked (18.0% effective tax and NI rate).

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