SOLE TRADER · 2026/27
Self-employed tax calculator
Estimate Income Tax and Class 4 National Insurance from turnover and allowable business expenses.
Estimated take-home profit
£42,051/year
- Taxable profit
- £53,000
- Income Tax
- £8,632
- Class 4 NI
- £2,317
- Suggested tax set-aside
- 20.7%
What is included?
Standard Personal Allowance, England/Wales/Northern Ireland Income Tax bands and 2026/27 Class 4 National Insurance. VAT, payments on account, student loans, pension relief and other income are excluded from this first version.