About This Calculator
The UK Tax Calculator provides an easy way to estimate your Income Tax and National Insurance contributions based on your annual salary or hourly rate.
How the calculator works
This calculator uses the tax rates and thresholds for the 2025 tax year to estimate:
- Income Tax across different tax bands
- National Insurance contributions
- Total deductions from your salary
- Your take-home pay (annually and monthly)
You can enter either an annual salary or calculate based on your hourly rate and hours worked.
Key features
- Accurate calculations based on 2025 tax rates
- Detailed breakdown of tax and National Insurance by band
- Multiple input options including annual salary or hourly rate
- Clear results showing your take-home pay
- Mobile-friendly design that works on all devices
Limitations
This calculator provides estimates only and has the following limitations:
- Does not include student loan repayments
- Does not account for pension contributions
- Does not include other deductions like childcare vouchers
- Does not handle tax code adjustments
- Does not calculate tax on other income sources (e.g., dividends, rental income)
Feedback
We're always looking to improve this calculator. If you have any suggestions, questions, or if you've found an issue, please let us know.
This calculator is for guidance only and should not be used for official tax calculations or submissions.