UK Income Tax Calculator
Estimate your UK income tax, National Insurance contributions, and take-home pay using 2024/25 PAYE tax bands and NI rates.
Total Deductions
£9,080.40
Take-Home Pay
£35,919.60
Effective Rate
20.18%
Deductions Summary
Income Tax Breakdown
| Band | Rate | Taxable Amount | Tax |
|---|---|---|---|
| Personal Allowance | 0% | £12,570.00 | £0.00 |
| Basic Rate | 20% | £32,430.00 | £6,486.00 |
| Total Income Tax | £32,430.00 | £6,486.00 | |
National Insurance Breakdown
| Band | Rate | Earnings | NI |
|---|---|---|---|
| Main Rate | 8% | £32,430.00 | £2,594.40 |
| Total National Insurance | £2,594.40 | ||
Take-Home Pay
Annual
£35,919.60
Monthly
£2,993.30
Weekly
£690.76
Disclaimer
This calculator provides estimates for educational purposes only and does not constitute tax advice. It uses 2024/25 tax year rates for England, Wales, and Northern Ireland. Scottish income tax rates are different. Tax rates and thresholds change each year - consult HMRC or a qualified accountant for guidance specific to your circumstances.
About UK Income Tax Calculator
This UK income tax calculator estimates your annual tax liability, National Insurance contributions, and take-home pay based on the 2024/25 tax year rates. Enter your gross salary to see a full breakdown of deductions and net income.
2024/25 Income Tax Thresholds
- Personal Allowance: £12,570 (tax-free)
- Basic rate (20%): £12,571 to £50,270
- Higher rate (40%): £50,271 to £125,140
- Additional rate (45%): over £125,140
- Personal allowance taper: reduced by £1 for every £2 earned over £100,000, reaching zero at £125,140
2024/25 National Insurance Thresholds
- Primary threshold: £12,570 per year
- Main rate (8%): £12,570 to £50,270
- Upper rate (2%): above £50,270
Income Tax Bands
The calculator applies the standard UK income tax bands: 0% on the personal allowance (up to £12,570), 20% basic rate, 40% higher rate, and 45% additional rate. It automatically handles the personal allowance taper for incomes above £100,000.
National Insurance Contributions
Class 1 employee National Insurance is calculated at 8% on earnings between £12,570 and £50,270, and 2% on earnings above £50,270. The calculator shows your NI contributions separately from income tax so you can see the full picture of payroll deductions.
Pension Contributions (Salary Sacrifice)
The advanced options let you enter a monthly pension contribution amount. This is treated as salary sacrifice, meaning it is deducted from your gross salary before income tax and National Insurance are calculated. The calculator shows how much tax and NI you save through salary sacrifice compared to taking the full salary.
Custom Tax Codes
You can enter a custom HMRC tax code to adjust the personal allowance. Standard codes like 1257L are multiplied by 10 to calculate the allowance. Special codes include BR (basic rate on all income), D0 (higher rate on all income), NT (no tax), and K codes which add to your taxable income instead of reducing it.
Student Loan Repayments
Optional student loan calculations are available for Plan 1, Plan 2, Plan 4, and Plan 5. Each plan has its own repayment threshold and rate. Select your plan to see how student loan repayments affect your take-home pay alongside tax and NI.
Take-Home Pay Summary
- Annual, monthly, and weekly take-home pay figures
- Breakdown of income tax by band
- National Insurance contributions
- Student loan repayments if applicable
- Pension contribution savings breakdown
- Effective tax rate across all deductions
This tool is for educational and estimation purposes only. It does not constitute tax advice. Tax rates and thresholds change each tax year - consult HMRC or a qualified accountant for advice specific to your circumstances. All calculations run in your browser with no data sent to any server.
Frequently Asked Questions
How does UK income tax work?
UK income tax uses a progressive system with multiple bands. You get a tax-free personal allowance of up to £12,570. Income between £12,571 and £50,270 is taxed at the basic rate of 20%. Income from £50,271 to £125,140 is taxed at the higher rate of 40%, and income above £125,140 is taxed at the additional rate of 45%.
What is the personal allowance taper?
If your income exceeds £100,000, your personal allowance is reduced by £1 for every £2 earned above that threshold. This means your personal allowance drops to zero once your income reaches £125,140. The taper creates an effective 60% tax rate on income between £100,000 and £125,140.
How are National Insurance contributions calculated?
For employees (Class 1), you pay 8% on earnings between £12,570 and £50,270 per year, and 2% on earnings above £50,270. National Insurance is separate from income tax and funds state benefits including the state pension and NHS.
Which student loan plan am I on?
Plan 1 applies if you started before September 2012 in England/Wales or studied in Northern Ireland. Plan 2 applies if you started after September 2012 in England/Wales. Plan 4 is for Scottish students. Plan 5 applies to those starting courses from August 2023 in England/Wales. Each plan has different repayment thresholds.
Does this calculator include Scottish income tax rates?
No. This calculator uses the standard UK income tax bands for England, Wales, and Northern Ireland. Scotland has its own income tax rates and bands set by the Scottish Parliament, which differ from the rest of the UK.