Use this service to estimate how much Income Tax and National Insurance you should pay for the current tax year (6 April 2025 to 5 April 2026). This service is for employees who pay tax and National Insurance each month through their employer. It tells you what your take-home pay will be after:

• paying tax
• making any pension contributions
• making any student loan repayments

You may be able to claim a refund if you’ve paid too much tax.