£16,000 vs £31,000 After Tax 2025-26
Side-by-side UK take-home pay comparison · Income Tax + National Insurance
You keep £10,800 more per year
Earning £31,000 instead of £16,000 gives you £900 more per month (£208/week). Of the £15,000 gross difference, you keep 72% after tax and NI.
£16,000 — Income Tax bands
| Band | Tax |
|---|---|
| Personal Allowance | — |
| Basic Rate (20%) | £686 |
| Total Income Tax | £686 |
£31,000 — Income Tax bands
| Band | Tax |
|---|---|
| Personal Allowance | — |
| Basic Rate (20%) | £3,686 |
| Total Income Tax | £3,686 |
Full breakdown — £16,000 vs £31,000
| £16,000 | £31,000 | Difference | |
|---|---|---|---|
| Gross salary | £16,000 | £31,000 | +£15,000 |
| Income Tax | £686 | £3,686 | +£3,000 |
| National Insurance | £274 | £1,474 | +£1,200 |
| Total deductions | £960 | £5,160 | +£4,200 |
| Net pay (annual) | £15,040 | £25,840 | +£10,800 |
| Net monthly | £1,253 | £2,153 | +£900 |
| Net weekly | £289 | £497 | +£208 |
| Net daily | £58 | £99 | +£41 |
| Effective tax rate | 6% | 16.65% | |
| Marginal tax rate | 28% | 28% |
£16,000 vs £31,000 after tax — what you actually keep
On a £16,000 salary, you take home £15,040 per year (£1,253/month). On £31,000, you take home £25,840 per year (£2,153/month). The £15,000 gross difference translates to £10,800 extra take-home — you keep 72% of the raise.
Income Tax on £16,000 is £686, rising to £3,686 on £31,000. National Insurance increases from £274 to £1,474. Together these deductions mean HMRC takes £4,200 of the £15,000 difference.
Why the effective rate changes
At £16,000 the effective tax rate is 6%, while at £31,000 it rises to 16.65%. This is because additional earnings are taxed at the marginal rate (28% on £31,000), 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 £31,000 vs £16,000?
On £31,000 you take home £25,840/year (£2,153/month), compared to £15,040/year (£1,253/month) on £16,000. That is £10,800 more per year, or £900 more per month.
Why is the net difference (£10,800) less than the gross difference (£15,000)?
Of the £15,000 gross difference, you keep £10,800 (72%) after Income Tax and National Insurance. The rest goes to HMRC. Your marginal rate on £16,000 is 28% and on £31,000 it is 28%.
What is the effective tax rate on £16,000 vs £31,000?
The effective tax rate (Income Tax + NI as a percentage of gross) is 6% on £16,000 and 16.65% on £31,000. 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 £16,000 vs £31,000?
On £16,000: Income Tax £686 + NI £274 = £960 total deductions. On £31,000: Income Tax £3,686 + NI £1,474 = £5,160 total deductions.