Self Assessment tax calculator
Enter your self-employment profit for the year to estimate your Income Tax and Class 4 National Insurance bill.
Income Tax
£4,486.00
Class 4 NI
£1,345.80
Take-home
£29,168.20
Estimate only, based on 2025/26 England & Wales rates: £12,570 personal allowance, 20%/40%/45% Income Tax bands, and Class 4 NI at 6% between £12,570–£50,270 and 2% above. Excludes Class 2 NI, Scottish rates, and any other income or deductions.