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
£42,452.00
Monthly net income
£3,537.67
Weekly net income
£816.38
Quarterly set-aside
£5,774.00
Set aside £5,774.00 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£54,000.00
Income tax£9,032.00
Class 2 NI£179.40
Class 4 NI£2,336.60
Student loan£0.00
Total deductions£11,548.00
Net income£42,452.00

Income tax by band

Band Rate Taxable amount Tax
Basic rate 20.0% £37,700.00 £7,540.00
Higher rate 40.0% £3,730.00 £1,492.00
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% £37,700.00 £2,262.00
Above £50,270 2.0% £3,730.00 £74.60