£120,000 after tax — and the £100k trap
£120,000 sits inside the £100,000 tax trap. You have already lost £10,000 of your Personal Allowance, so a slice of this salary is effectively taxed at 60%. Your take-home is £76,157 — but paying £20,000 into a pension restores the allowance for about 62% relief.
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£120,000 salary
2026/27- Take-home £6,346
- Income Tax £3,286
- National Insurance £368
- Student loan £0
- Pension £0
Monthly take-home
£76,157 a year
£6,346
On £120,000 you're £20,000 into the £100k allowance taper — that slice is taxed at about 60%.
Verified 2026/27 · 21 June 2026
Effective rate —
Marginal rate — on your next £1
What it's worth in real terms
Your salary has the spending power of — in 2025 money — the pound has lost — since then. A rise of — would just keep pace.
Inflation: ONS Consumer Prices Index, latest May 2026.
How this was calculated
For the 2026/27 tax year (England, Wales & Northern Ireland) we apply your tax-free Personal Allowance, the Income Tax bands, employee National Insurance, and any student-loan repayment — each traced to a dated gov.uk/HMRC source. A pension contribution comes off before Income Tax (and before National Insurance too, for salary sacrifice). Over £100,000 the Personal Allowance tapers away, which is why the marginal rate jumps to about 60%.
The full method and every source is on our methodology page.
Built & maintained by the Pay Packet team · methodology sourced from HMRC · last reviewed 21 June 2026. About our figures →
⚠ The £100,000 tax trap
At £120,000 you have lost £10,000 of your Personal Allowance, so part of your pay is taxed at an effective 60%. Paying £20,000 into a pension restores the allowance — about 62% relief.
Work out the optimal contribution →Escaping the trap on £120,000
Paying £20,000 into a pension brings your adjusted income down to £100,000, restoring the full £12,570 allowance and removing the 60% band. Because the relief is so high here, it costs surprisingly little take-home. The £100k trap calculator shows the exact figures.
Questions about £120,000
- Why is £120,000 taxed so heavily?
- Above £100,000 your Personal Allowance is withdrawn by £1 for every £2 you earn. On £120,000 you have lost £10,000 of it, so that band of income is taxed at an effective 60%.
- How do I avoid the 60% rate on £120,000?
- Pay the gap to £100,000 — £20,000 — into a pension. That restores your full allowance and removes the 60% band, at roughly 62% effective relief.
- What is £120,000 after tax?
- £76,157 a year (about £6,346 a month) before any pension — £39,432 of it goes in Income Tax.