£42,000 after tax: the breakdown
| A year | A month | |
|---|---|---|
| Pay before tax | £42,000 | £3,500 |
| Income tax | −£5,886 | −£490 |
| National Insurance | −£2,354 | −£196 |
| Take-home pay | £33,760 | £2,813 |
- You’re a basic-rate taxpayer. Income tax is 20% of your pay above the £12,570 personal allowance, and National Insurance is 8%.
- Of each extra £100 you earn, you keep about £72.
With a pension or student loan
| A month | A year | |
|---|---|---|
| No pension or student loan | £2,813 | £33,760 |
| With a 5% workplace pension | £2,673 | £32,080 |
| With a Plan 2 student loan | £2,719 | £32,624 |
| With both | £2,579 | £30,944 |
A 5% pension is paid before tax, so it costs you less than 5% of your take-home pay. Plan 2 student loan repayments are 9% of your pay over £29,385.
Other salaries
Questions
How much is £42,000 a year after tax per month?
£42,000 a year is about £2,813 a month after income tax and National Insurance in 2026/27, in England, Wales and Northern Ireland, with no pension or student loan.
How much is £42,000 a year per week after tax?
About £649 a week, or £17.31 an hour for a 37.5-hour week.
How much tax do I pay on £42,000?
About £5,886 income tax and £2,354 National Insurance a year, 19.6% of your pay in total.
Figures assume your tax code is 1257L and no other income, benefits or bonuses. Scotland has different income tax rates. A guide, not financial advice.
Last checked against GOV.UK: 9 October 2026