£21 an Hour After Tax UK (2026/27) — Weekly & Monthly Net Pay

Earning £21 an hour in the UK across a standard 37.5-hour workweek (52 weeks/year) equals £40,950 gross per year, giving you £2,750.30 net per month (£634.68 per week or £16.92/hr net) after 2026/27 HMRC Income Tax (£5,676.00) and Class 1 National Insurance (£2,270.40).

2026/27 UK Pay Breakdown (37.5 hrs/wk)	Annual / Weekly Figure	Monthly / Hourly Figure
Gross Hourly Rate	£21.00 / hour	£787.50 / week gross
Annual Gross Salary Equivalent	£40,950	£3,412.50/mo gross
HMRC Income Tax (1257L)	£5,676.00/yr	£473.00/mo
Class 1 National Insurance	£2,270.40/yr	£189.20/mo
Net Take-Home Pay (0% Baseline Pension)	£33,003.60/yr (£634.68/wk)	£2,750.30/mo (£16.92/hr net)

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

How much is £21 an hour per year and per month after tax in the UK?

Based on a 37.5-hour workweek over 52 weeks, £21 an hour equals £40,950 gross per year. After 2026/27 HMRC Income Tax and Class 1 National Insurance, your net take-home pay is £2,750.30 per month (£634.68 per week).

What is my net hourly take-home pay on £21 an hour?

After deducting Income Tax and Class 1 National Insurance, £21 gross per hour leaves £16.92 net per hour worked (19.4% effective tax and NI rate).

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