Self-Employed Tax Calculator
Calculate your Income Tax, Class 2 and Class 4 National Insurance contributions for the 2025/26 tax year. Perfect for sole traders and self-employed professionals.
Instant Calculations
Get immediate tax estimates based on your income and expenses
Potential Savings
See how much you could save with proper tax planning
Professional Guidance
Use our results to make informed tax decisions
Plan Ahead
Better understand your tax obligations for the year
Self-Employment Tax Calculator
Calculate your Income Tax, Class 2 and Class 4 National Insurance contributions for the 2025/26 tax year
Total revenue before expenses
Allowable business expenses
Important Notes:
- Based on 2025/26 tax rates and thresholds
- Class 2 NI: No longer required if profit ≥ £6,845
- Class 4 NI: 6% on profits £12,570-£50,270, then 2%
- Assumes you have no other income or tax reliefs
- For accurate calculations, consult a qualified accountant
Disclaimer: This calculator provides estimates only and should not be considered as professional tax advice. Actual tax calculations may vary based on individual circumstances. For accurate tax planning and filing, consult with our qualified tax professionals.
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