£31,000 vs £38,000 After Tax 2025-26
Side-by-side UK take-home pay comparison · Income Tax + National Insurance
You keep £5,040 more per year
Earning £38,000 instead of £31,000 gives you £420 more per month (£97/week). Of the £7,000 gross difference, you keep 72% after tax and NI.
£31,000 — Income Tax bands
| Band | Tax |
|---|---|
| Personal Allowance | — |
| Basic Rate (20%) | £3,686 |
| Total Income Tax | £3,686 |
£38,000 — Income Tax bands
| Band | Tax |
|---|---|
| Personal Allowance | — |
| Basic Rate (20%) | £5,086 |
| Total Income Tax | £5,086 |
Full breakdown — £31,000 vs £38,000
| £31,000 | £38,000 | Difference | |
|---|---|---|---|
| Gross salary | £31,000 | £38,000 | +£7,000 |
| Income Tax | £3,686 | £5,086 | +£1,400 |
| National Insurance | £1,474 | £2,034 | +£560 |
| Total deductions | £5,160 | £7,120 | +£1,960 |
| Net pay (annual) | £25,840 | £30,880 | +£5,040 |
| Net monthly | £2,153 | £2,573 | +£420 |
| Net weekly | £497 | £594 | +£97 |
| Net daily | £99 | £119 | +£20 |
| Effective tax rate | 16.65% | 18.74% | |
| Marginal tax rate | 28% | 28% |
£31,000 vs £38,000 after tax — what you actually keep
On a £31,000 salary, you take home £25,840 per year (£2,153/month). On £38,000, you take home £30,880 per year (£2,573/month). The £7,000 gross difference translates to £5,040 extra take-home — you keep 72% of the raise.
Income Tax on £31,000 is £3,686, rising to £5,086 on £38,000. National Insurance increases from £1,474 to £2,034. Together these deductions mean HMRC takes £1,960 of the £7,000 difference.
Why the effective rate changes
At £31,000 the effective tax rate is 16.65%, while at £38,000 it rises to 18.74%. This is because additional earnings are taxed at the marginal rate (28% on £38,000), which is higher than the blended average. The more you earn, the greater the proportion taken in tax and NI.
Frequently asked questions
How much more do I take home on £38,000 vs £31,000?
On £38,000 you take home £30,880/year (£2,573/month), compared to £25,840/year (£2,153/month) on £31,000. That is £5,040 more per year, or £420 more per month.
Why is the net difference (£5,040) less than the gross difference (£7,000)?
Of the £7,000 gross difference, you keep £5,040 (72%) after Income Tax and National Insurance. The rest goes to HMRC. Your marginal rate on £31,000 is 28% and on £38,000 it is 28%.
What is the effective tax rate on £31,000 vs £38,000?
The effective tax rate (Income Tax + NI as a percentage of gross) is 16.65% on £31,000 and 18.74% on £38,000. The higher salary has a higher effective rate because more income falls into higher tax bands.
How much tax and NI do I pay on £31,000 vs £38,000?
On £31,000: Income Tax £3,686 + NI £1,474 = £5,160 total deductions. On £38,000: Income Tax £5,086 + NI £2,034 = £7,120 total deductions.