Self-Employed Tax Calculator UK (2026/27)

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

Updated for 2026/27 · Reviewed by James Whitfield · Methodology and assumptions

£

Results

Annual net income
£39,898.20
Monthly net income
£3,324.85
Weekly net income
£767.27
Quarterly set-aside
£4,800.90
Set aside £4,800.90 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£49,500.00
Income tax£7,386.00
Class 4 NI£2,215.80
Student loan£0.00
Total deductions£9,601.80
Net income£39,898.20

Income tax by band

Band Rate Taxable amount Tax
Basic rate 20.0% £36,930.00 £7,386.00
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% £36,930.00 £2,215.80
Above £50,270 2.0% £0.00 £0.00