Self-Assessment Tax Calculator
Our free Self-Assessment Tax Calculator UK makes it easy to estimate how much income tax and National Insurance you need to pay. Just enter your earnings, expenses, and other income, and the calculator gives you an instant tax estimate. This tool is designed for self-employed individuals, freelancers, and anyone filing a tax return in the UK. By using a self-assessment tax calculator, you can plan ahead, manage your budget, and avoid surprises when it’s time to file with HMRC.
UK Self-Assessment Tax Calculator
- Personal Allowance: £12,570 (tapers above £100,000)
- Basic rate: 20% (£12,571 - £50,270)
- Higher rate: 40% (£50,271 - £125,140)
- Additional rate: 45% (over £125,140)
National Insurance contributions are calculated separately.
Calculation Results
Need help with Self-Assessment filing or tax planning? Our certified advisors can guide you through UK requirements step by step.
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