£40,000 vs £50,000 take-home pay (UK, 2024/25)
A gross raise of £10,000 turns into £7,200 extra take-home per year (£600/month) — an effective keep-rate of 72%. Here's exactly why.
Verdict: Straightforward win — you keep about 72p of every extra pound.
Side-by-side breakdown
| £40,000 | £50,000 | Difference | |
|---|---|---|---|
| Gross salary | £40,000 | £50,000 | +£10,000 |
| Personal Allowance | £12,570 | £12,570 | — |
| Income Tax | £5,486 | £7,486 | +£2,000 |
| National Insurance | £2,194 | £2,994 | +£800 |
| Take-home per year | £32,320 | £39,520 | +£7,200 |
| Take-home per month | £2,693 | £3,293 | +£600 |
| Effective tax + NI rate | 19.2% | 21.0% | 1.8% pts |
What's really happening on the raise
Your gross salary goes up by £10,000, but your take-home only goes up by £7,200. That means:
- You keep about 72p in the £ of every extra pound.
- You give roughly £2,800 to HMRC on this specific raise.
If you sacrifice the raise into pension
A common play when a raise pushes you deep into the higher- or additional-rate band: ask payroll to divert the extra £10,000 into your workplace pension via salary sacrifice.
| Choice | Take-home / year | Pension pot / year | Total value |
|---|---|---|---|
| Accept raise as cash (£50,000) | £39,520 | £0 | £39,520 |
| Sacrifice raise into pension | £32,320 | £10,000 | £42,320 |
| Stay at £40,000 | £32,320 | £0 | £32,320 |
Related comparisons
- Full £40,000 salary breakdown
- Full £50,000 salary breakdown
- All salary comparisons
- Interactive UK take-home calculator
Assumptions
Rest-of-UK Income Tax bands (Scottish rates differ). 2024/25 tax year. Zero pension in the base comparison. No student loan, no child benefit clawback, no company car. Marriage allowance and Gift Aid not included. See methodology for the full calculation.