£13 an hour is how much a year in the UK?

£13 an hour, 37.5 a week
Gross pay£25,350
Take-home pay£21,772
£13 an hour over 37.5 is £25,350 a year. Income tax takes £2,556 and National Insurance £1,022, leaving £21,772. No workplace pension in this bar.

At the UK full-time pattern of 37.5 hours and 52 weeks, £13 an hour is £25,350 a year. Income tax and National Insurance take £3,578, leaving £21,772 — £1,814 a month. Pay the statutory 5% workplace pension and the net becomes £21,007, £764 less, because the pension comes out before income tax.

£1,814a month after tax and NI, no pension
£1,751a month with the 5% pension
Annual gross£25,350
Income tax£2,556
National Insurance£1,022
Effective rate14.1%

The same £13 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£10,816−£0−£0£10,816£901
20 hours1,040£13,520−£190−£76£13,254£1,105
25 hours1,300£16,900−£866−£346£15,688£1,307
30 hours1,560£20,280−£1,542−£617£18,121£1,510
35 hours1,820£23,660−£2,218−£887£20,555£1,713
37.5 hours1,950£25,350−£2,556−£1,022£21,772£1,814
40 hours2,080£27,040−£2,894−£1,158£22,988£1,916
45 hours2,340£30,420−£3,570−£1,428£25,422£2,119
48 hours2,496£32,448−£3,976−£1,590£26,882£2,240

What the workplace pension changes at £13 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—−£2,556−£1,022£21,772£1,814
5%−£956−£2,365−£1,022£21,007£1,751
8%−£1,529−£2,250−£1,022£20,549£1,712

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 £13 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 £25,350 a year:

PlanThresholdRateRepayment a yearPer month
Plan 1£26,9009%Nothing—
Plan 2£29,3859%Nothing—
Plan 4£33,7959%Nothing—
Plan 5£25,0009%−£32−£3
Postgraduate loan£21,0006%−£261−£22

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

£13 an hour in England versus Scotland

National Insurance and the personal allowance are identical across the UK; only the income tax bands differ. At £25,350 the gap is £40 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−£2,556−£1,022£21,772—
Scotland−£2,516−£1,022£21,811-£40

What 7.5 extra hours a week are worth at £13

A 45-hour week at the same rate adds £5,070 of gross pay a year (£423 a month) and £3,650 of take-home (£304 a month). The gap between those two numbers is the marginal rate on the extra hours: 28.0% 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 £1,825 more in the hand.

Nearby hourly rates

£14 an hour£27,300 a year gross£15 an hour£29,250 a year gross£16 an hour£31,200 a year gross£17 an hour£33,150 a year gross£18 an hour£35,100 a year gross£19 an hour£37,050 a year gross
Is £13 an hour a good wage in the UK?

It is £25,350 a year before tax and £1,814 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 14.1%, 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.