£42,000 a Year After Tax in the UK
On a yearly salary of £42,000 you take home about £2,813 a month (£33,760 a year) after all deductions.
Tax year 2026/27GBPIncome tax and National Insurance
80%kept
Take-home pay · 2026/27£33,760per year
- Gross pay£42,000.00
- Income tax−£5,886.00
- National Insurance−£2,354.40
- Take-home£33,759.60
Effective rate19.6%
Marginal tax rate20%
Take-home vs 2025/26 £0
Pay breakdown
| Period | Gross | Deductions | Take-home |
|---|---|---|---|
| Year | £42,000.00 | £8,240.40 | £33,759.60 |
| Month | £3,500.00 | £686.70 | £2,813.30 |
| Week | £807.69 | £158.47 | £649.22 |
| Day | £161.54 | £31.69 | £129.84 |
| Hour | £21.54 | £4.23 | £17.31 |
How take-home pay is calculated in the UK
- The first £12,570 is tax-free (personal allowance). Above £100,000 the allowance shrinks by £1 for every £2 earned.
- Income tax is 20% on the next £37,700, 40% up to £125,140 and 45% above that.
- Employee National Insurance is 8% on earnings between £12,570 and £50,270, and 2% above.
Rates for England, Wales and Northern Ireland with a 1257L tax code. Scotland and student loans are not included. Figures are estimates, not tax advice.
Similar salaries in the UK
Frequently asked questions
How much is £42,000 a year after tax in the UK?
With default settings, a £42,000 annual salary in the UK leaves about £33,760 a year after £8,240 of deductions, an effective rate of 19.6% (2026/27).
What is £42,000 a year per month after tax?
About £2,813 a month, or £649 a week.
What hourly rate is £42,000 a year?
Based on a 37.5-hour week, it is about £21.54 an hour before tax and £17.31 after tax.
What is the UK personal allowance for 2026/27?
£12,570. It falls by £1 for every £2 of income over £100,000 and is zero from £125,140.
Does this work for Scotland?
Not yet. Scotland has its own income tax bands. National Insurance is the same across the UK.