Self-Employed Tax Calculator

Estimate your Income Tax and National Insurance as a self-employed sole trader. Based on 2024-25 UK tax rates.

Enter Your Details

£

Your business income before expenses

£

Expenses you can claim against tax

Tax Year 2024-25

  • Personal Allowance: £12,570
  • Basic Rate (20%): Up to £50,270
  • Higher Rate (40%): £50,270 - £125,140
  • NI Class 4: 6% (main rate) + 2% (above upper limit)

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