UK Income Tax Calculator
Are you earning over £100,000 — and accidentally paying 60% tax?
Did your last payslip feel wrong, or do you want to see exactly how
a pay rise, pension contribution, or new job changes your take-home?
This free UK Income Tax calculator gives you the complete picture in seconds.
UK Income Tax & Take‑Home Pay Estimator
📊 2024‑25 & 2025‑26 UK Tax Bands
England, Wales & Northern Ireland
| Band | Taxable Income | Tax Rate |
|---|---|---|
| Personal Allowance | Up to £12,570 | 0% |
| Basic Rate | £12,571 – £50,270 | 20% |
| Higher Rate | £50,271 – £125,140 | 40% |
| Additional Rate | Above £125,140 | 45% |
Personal allowance tapers from £100,000 — 60% marginal rate trap.
Scotland
| Band | Taxable Income | Tax Rate |
|---|---|---|
| Personal Allowance | Up to £12,570 | 0% |
| Starter Rate | £12,571 – £14,876 | 19% |
| Scottish Basic Rate | £14,877 – £26,561 | 20% |
| Intermediate Rate | £26,562 – £43,662 | 21% |
| Higher Rate | £43,663 – £75,000 | 42% |
| Advanced Rate | £75,001 – £125,140 | 45% |
| Top Rate | Above £125,140 | 48% |
National Insurance (Class 1 Employee)
| Earnings Band | NI Rate | Annual Thresholds |
|---|---|---|
| Below LEL | 0% | Below £6,396 |
| LEL to PT | 0% | £6,396 – £12,570 |
| PT to UEL | 8% | £12,570 – £50,270 |
| Above UEL | 2% | Above £50,270 |
Student Loan Thresholds 2025‑26
| Plan | Threshold | Rate |
|---|---|---|
| Plan 1 | £24,990 | 9% |
| Plan 2 | £27,295 | 9% |
| Plan 4 | £31,395 | 9% |
| Plan 5 | £25,000 | 9% |
| Postgraduate | £21,000 | 6% |
📘 How to Use This UK Income Tax Calculator
This free UK Income Tax Calculator instantly computes your income tax, National Insurance, student loan repayments, and take-home pay for 2024–25 and 2025–26 — for both employed and self-employed individuals in England, Wales, Northern Ireland, and Scotland.
- Select your tax year. Choose 2024–25 (April 6 2024 to April 5 2025) or 2025–26. Rates are identical for both years as HMRC has frozen most thresholds.
- Choose your region. Scotland uses completely different tax bands — higher earners in Scotland pay significantly more than in England, Wales, or Northern Ireland.
- Enter your gross annual income. Include all employment income before any deductions. For self-employed, enter your net profit before tax.
- Enter tax already paid (PAYE). Find this on your payslips or P60. The calculator shows whether you’re due a refund or owe additional tax.
- Use Advanced Options for pension contributions (which reduce taxable income), student loan plans, Gift Aid, and the Blind Person’s Allowance.
UK Income Tax Bands 2025–26 Explained
The UK uses a progressive tax system: different portions of your income are taxed at different rates. Your personal allowance (£12,570) is completely tax-free. After that, the basic rate (20%) applies up to £50,270, then the higher rate (40%) applies up to £125,140.
Example: £55,000 Salary (England)
Here’s exactly how income tax is calculated on a £55,000 salary using the UK Income Tax Calculator methodology:
- £0 – £12,570: Personal allowance → £0 tax
- £12,571 – £50,270: £37,700 × 20% → £7,540
- £50,271 – £55,000: £4,730 × 40% → £1,892
- Total income tax: £9,432 — effective rate of just 17.1%
- Plus National Insurance: 8% on £37,700 = £3,016; 2% on £4,730 = £95 → £3,111 NI
- Take-home pay: £42,457/year (£3,538/month)
The £100,000 Income Tax Trap — The 60% Problem
This is one of the most punishing and misunderstood features of the UK tax system. When your income exceeds £100,000, your Personal Allowance is gradually withdrawn at £1 for every £2 earned above £100,000.
The result: on income between £100,000 and £125,140, you effectively pay 60% marginal tax — the 40% higher rate on the extra income, plus 20% on the allowance you lose.
How to Escape the 60% Trap
The most effective solution is to make pension contributions (either directly or via salary sacrifice) to bring your adjusted income below £100,000. Every £1 contributed to your pension reduces your adjusted income by £1, restoring your personal allowance and cutting your effective rate back to 40%.
- Salary sacrifice pension — reduces gross income before NI and income tax, saving up to 60p in tax per £1 contributed between £100,000–£125,140
- Gift Aid donations — extend your basic rate band by the gross donation amount
- Venture Capital Trust (VCT) or EIS investments — can provide 30% upfront tax relief
Scotland vs England: Who Pays More?
Scotland has its own income tax rates set by the Scottish Parliament (for non-savings income only; savings and dividend income use UK rates). Scottish taxpayers generally pay more tax than equivalent earners in England on incomes above approximately £27,000.
| Annual Income | England Tax | Scotland Tax | Scotland Pays Extra |
|---|---|---|---|
| £20,000 | £1,486 | £1,542 | +£56 |
| £30,000 | £3,486 | £3,686 | +£200 |
| £50,000 | £7,486 | £8,616 | +£1,130 |
| £80,000 | £19,486 | £22,566 | +£3,080 |
| £150,000 | £54,430 | £63,080 | +£8,650 |
National Insurance Explained
National Insurance (NI) is a separate tax from income tax, also collected by HMRC via payroll. For employees in 2024–25 and 2025–26, the rate is 8% on earnings between £12,570 and £50,270, then 2% above £50,270. Note: your employer also pays 13.8% employer’s NI on your earnings above £5,000 (from April 2025) — this is not deducted from your pay but represents the true cost of employing you.
Self-Employed NI (Class 4)
If you’re self-employed, you pay Class 4 NI at 6% on profits between £12,570 and £50,270, then 2% above. From April 2024, Class 2 NI (the flat weekly contribution) was abolished for most self-employed people.
Pension Contributions and Tax Relief
Pension contributions are one of the most tax-efficient ways to reduce your UK tax bill. You receive tax relief at your marginal rate on personal contributions:
- Basic rate taxpayer: 20% relief — a £80 contribution costs you just £64 after HMRC top-up
- Higher rate taxpayer: 40% relief — a £100 contribution effectively costs you £60
- Additional rate taxpayer / 60% trap: Up to 60p relief per £1 between £100k–£125,140
The annual allowance is £60,000 (2024–25 and 2025–26) or 100% of earnings if lower. You can also carry forward unused allowance from the previous three tax years.
Tax Codes Explained
Your tax code tells your employer how much personal allowance you have. The most common code is 1257L — meaning £12,570 personal allowance. The letter L means you’re entitled to the standard allowance. Other common codes:
- BR — all income taxed at basic rate (20%), usually a second job
- 0T — no personal allowance (income above £125,140 or no P45/P46)
- W1/M1 — emergency tax code, taxed on a non-cumulative basis
- K codes — you have deductions exceeding your allowances (e.g. company car)
- Scottish prefix S — Scottish taxpayer (e.g. S1257L)
If your code is wrong, contact HMRC or check via your Personal Tax Account.
Marriage Allowance and Blind Person’s Allowance
The Marriage Allowance lets one partner transfer £1,260 of their personal allowance to the other, saving up to £252/year in tax. The transferring partner must earn below £12,570 and the receiving partner must be a basic rate taxpayer. Apply via gov.uk/marriage-allowance.
The Blind Person’s Allowance is £3,070 (2025–26), added on top of your personal allowance. You can claim it if you’re registered as severely sight impaired.
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