£40 an hour is how much a year in the UK?

£40 an hour, 37.5 a week
Gross pay£78,000
Take-home pay£55,797
£40 an hour over 37.5 is £78,000 a year. Income tax takes £18,632 and National Insurance £3,571, leaving £55,797. No workplace pension in this bar.

At the UK full-time pattern of 37.5 hours and 52 weeks, £40 an hour is £78,000 a year. Income tax and National Insurance take £22,203, leaving £55,797 — £4,650 a month. Pay the statutory 5% workplace pension and the net becomes £54,477, £1,321 less, because the pension comes out before income tax.

£4,650a month after tax and NI, no pension
£4,540a month with the 5% pension
Annual gross£78,000
Income tax£18,632
National Insurance£3,571
Effective rate28.5%

The same £40 an hour at different weekly hours

Part-time hourly work is not a scaled-down version of full-time work. Each row below is recalculated on its own annual figure, so the tax bill is lower than a straight percentage — at 16 hours a week the personal allowance of £12,570 may wipe income tax out entirely.

Weekly hoursHours a yearAnnual grossIncome taxNational InsuranceTake-homeMonthly
16 hours832£33,280−£4,142−£1,657£27,481£2,290
20 hours1,040£41,600−£5,806−£2,322£33,472£2,789
25 hours1,300£52,000−£8,232−£3,051£40,717£3,393
30 hours1,560£62,400−£12,392−£3,259£46,749£3,896
35 hours1,820£72,800−£16,552−£3,467£52,781£4,398
37.5 hours1,950£78,000−£18,632−£3,571£55,797£4,650
40 hours2,080£83,200−£20,712−£3,675£58,813£4,901
45 hours2,340£93,600−£24,872−£3,883£64,845£5,404
48 hours2,496£99,840−£27,368−£4,007£68,465£5,705

What the workplace pension changes at £40 an hour

Pension contributions work under a net pay arrangement, so they reduce taxable pay but leave National Insurance untouched. At this rate the pension only applies to earnings between £6,240 and £50,270, which is why 8% does not cost 8% of the whole salary.

Employee contributionPension paidIncome taxNational InsuranceAnnual take-homeMonthly
None—−£18,632−£3,571£55,797£4,650
5%−£2,202−£17,751−£3,571£54,477£4,540
8%−£3,522−£17,223−£3,571£53,684£4,474

The employer adds at least 3% on top of your own contribution — money that never appears in these take-home figures because it goes straight into the pension pot.

Student loan at £40 an hour

Repayment is 9% of everything above your plan's threshold (6% for the postgraduate loan), taken from pay rather than from the annual total in one go. At £78,000 a year:

PlanThresholdRateRepayment a yearPer month
Plan 1£26,9009%−£4,599−£383
Plan 2£29,3859%−£4,375−£365
Plan 4£33,7959%−£3,978−£332
Plan 5£25,0009%−£4,770−£398
Postgraduate loan£21,0006%−£3,420−£285

5 plans apply at this rate; a borrower is only on one of them, so use the line that matches your loan.

£40 an hour in England versus Scotland

National Insurance and the personal allowance are identical across the UK; only the income tax bands differ. At £78,000 the gap is £2,200 a year, and it grows quickly above £43,663 where Scotland's higher rate starts.

Where you workIncome taxNational InsuranceAnnual take-homeDifference
England, Wales & Northern Ireland−£18,632−£3,571£55,797—
Scotland−£20,832−£3,571£53,597£2,200

What 7.5 extra hours a week are worth at £40

A 45-hour week at the same rate adds £15,600 of gross pay a year (£1,300 a month) and £9,048 of take-home (£754 a month). The gap between those two numbers is the marginal rate on the extra hours: 42.0% goes to tax and National Insurance. Note that this is the same rate as normal pay — UK overtime is not taxed at a special rate, it simply adds to the annual total.

If your contract pays overtime at 1.5× after 37.5 hours, the extra hours are worth half again as much gross, and roughly £4,524 more in the hand.

Nearby hourly rates

£32 an hour£62,400 a year gross£35 an hour£68,250 a year gross£38 an hour£74,100 a year gross£42 an hour£81,900 a year gross£45 an hour£87,750 a year gross£48 an hour£93,600 a year gross
Is £40 an hour a good wage in the UK?

It is £78,000 a year before tax and £4,650 a month after tax and National Insurance without a pension. Whether that is comfortable depends on housing, region and household size, which this page cannot know — but the effective deduction rate here is 28.5%, so the gross-to-net gap is the part you can plan around.

How many hours is that a month?

37.5 hours a week averages 163 hours a month — a little over 162. Monthly pay is annual pay divided by 12, not four weeks of pay, which is why a month never equals 4 × a weekly figure.

Why does the tax line jump between neighbouring rates?

Because income tax is banded, not flat. Crossing £100,000 starts the personal allowance taper and creates an effective 60% band until £125,140; National Insurance drops from 8% to 2% at £50,270. Hourly rates either side of those points behave differently even when the pay difference is small.

Tax year: 2026/27 (6 April 2026 – 5 April 2027). Sources:

Estimates for guidance only, not tax advice.