£42,000 after tax in the UK: full breakdown
| Year | Month | Week | |
|---|---|---|---|
| Gross salary | £42,000.00 | £3,500.00 | £807.69 |
| Income Tax | − £5,886.00 | − £490.50 | − £113.19 |
| National Insurance | − £2,354.40 | − £196.20 | − £45.28 |
| Take-home pay | £33,759.60 | £2,813.30 | £649.22 |
On a £42,000 salary in England, Wales or Northern Ireland you keep about £33,760 a year in 2026/27, or 80p of every pound you earn. Income Tax takes £5,886 (14.01% of your salary) and National Insurance £2,354.
Your marginal rate is about 28.0%: of the next £100 you earn, roughly £28 goes in Income Tax and National Insurance. That is what a pay rise or a bonus is taxed at, and the rate at which a pension contribution saves Income Tax.
What is specific to £42,000
Your highest pound is taxed in the Basic rate at 20%: £29,430 of your taxable income falls in that band.
- £8,270 more and you reach £50,270, where the Higher rate of 40% applies to your income above it, and National Insurance falls from 8% to 2% on pay above the Upper Earnings Limit.
- Of a £1,000 pay rise at this salary you would keep £720.
Allowances and benefits at £42,000
- Marriage Allowance: as a basic rate taxpayer you can receive £1,260 of the Personal Allowance of a spouse or civil partner who earns less than it, cutting your tax by up to £252 a year.
- Student loans: at £42,000 every undergraduate plan takes a repayment.
£42,000 a year → £2,813 a month after tax
Solid line: England, Wales and NI. Dashed line: Scotland. Shaded: Personal Allowance withdrawal (£100,000–£125,140).
England, Wales and NI vs Scotland
| Take-home (year) | Per month | Income Tax | |
|---|---|---|---|
| England, Wales and NI (this page) | £33,759.60 | £2,813.30 | £5,886.00 |
| Scotland | £33,674.53 | £2,806.21 | £5,971.07 |
England, Wales and Northern Ireland leaves £85 a year more than Scotland at this salary.
With a student loan
| Plan | Repayment (year) | Per month | Take-home per month |
|---|---|---|---|
| Plan 1 | £1,359.00 | £113.25 | £2,700.05 |
| Plan 2 | £1,135.35 | £94.61 | £2,718.69 |
| Plan 4 | £738.45 | £61.54 | £2,751.76 |
| Plan 5 | £1,530.00 | £127.50 | £2,685.80 |
| Postgraduate Loan | £1,260.00 | £105.00 | £2,708.30 |
With a workplace pension
| Pension contribution | Into your pension (year) | Take-home per month | Cost to your take-home (year) |
|---|---|---|---|
| 3% | £1,260.00 | £2,729.30 | £1,008.00 |
| 5% | £2,100.00 | £2,673.30 | £1,680.00 |
| 8% | £3,360.00 | £2,589.30 | £2,688.00 |
| 10% | £4,200.00 | £2,533.30 | £3,360.00 |
Hourly and weekly equivalent
Based on a 37.5-hour week for 52 weeks (1,950 hours), £42,000 a year is £21.54 an hour before tax and about £17.31 an hour after tax. Take-home pay is £649.22 a week or £2,596.89 every four weeks.
Frequently asked questions
How much is £42,000 a year after tax in the UK?
About £33,760 a year in 2026/27, or £2,813.30 a month, for one job taxed on code 1257L with no student loan or pension contributions.
How much tax do you pay on £42,000?
£5,886.00 of Income Tax (an average rate of 14.01%) and £2,354.40 of National Insurance, £8,240.40 in total.
What is £42,000 a year per month after tax with a Plan 2 student loan?
£2,718.69 a month. Plan 2 takes 9% of your pay above £29,385: £1,135.35 a year.
What is £42,000 a year per hour?
£21.54 an hour before tax and about £17.31 after tax, assuming 37.5 hours a week for 52 weeks.
Official sources
- Rates and thresholds for employers 2026 to 2027 (HMRC, GOV.UK)
- Income Tax rates and allowances for current and previous tax years (HMRC)
- Income Tax rates and Personal Allowances: income over £100,000 (GOV.UK)
- Scottish Income Tax: rates and bands 2026 to 2027 (Scottish Government)
- Rates and allowances: National Insurance contributions (HMRC)
- Repaying your student loan: how much you repay (GOV.UK)
- Marriage Allowance (GOV.UK)
- High Income Child Benefit Charge (GOV.UK)
- Tax on your private pension: pension tax relief (GOV.UK)
- Free childcare for working parents in England (GOV.UK)