Self-Employed Tax Calculator UK (2025/26)

Estimate take-home profit after income tax, Class 2 NI, Class 4 NI and optional student loan deductions. Results update instantly and include a quarterly set-aside estimate for payments on account.

Updated for 2025/26 · Reviewed by James Whitfield · Methodology and assumptions

£

Results

Annual net income
£31,948.80
Monthly net income
£2,662.40
Weekly net income
£614.40
Quarterly set-aside
£3,525.60
Set aside £3,525.60 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£39,000.00
Income tax£5,286.00
Class 2 NI£179.40
Class 4 NI£1,585.80
Student loan£0.00
Total deductions£7,051.20
Net income£31,948.80

Income tax by band

Band Rate Taxable amount Tax
Basic rate 20.0% £26,430.00 £5,286.00
Higher rate 40.0% £0.00 £0.00
Additional rate 45.0% £0.00 £0.00

Class 4 NI by band

Range Rate Profit in band NI
£12,570 to £50,270 6.0% £26,430.00 £1,585.80
Above £50,270 2.0% £0.00 £0.00