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
£32,688.80
Monthly net income
£2,724.07
Weekly net income
£628.63
Quarterly set-aside
£3,655.60
Set aside £3,655.60 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£40,000.00
Income tax£5,486.00
Class 2 NI£179.40
Class 4 NI£1,645.80
Student loan£0.00
Total deductions£7,311.20
Net income£32,688.80

Income tax by band

Band Rate Taxable amount Tax
Basic rate 20.0% £27,430.00 £5,486.00
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% £27,430.00 £1,645.80
Above £50,270 2.0% £0.00 £0.00