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
£107,662.50
Monthly net income
£8,971.88
Weekly net income
£2,070.43
Quarterly set-aside
£36,668.75
Set aside £36,668.75 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£181,000.00
Income tax£68,281.50
Class 2 NI£179.40
Class 4 NI£4,876.60
Student loan£0.00
Total deductions£73,337.50
Net income£107,662.50

Income tax by band

Band Rate Taxable amount Tax
Basic rate 20.0% £37,700.00 £7,540.00
Higher rate 40.0% £74,870.00 £29,948.00
Additional rate 45.0% £68,430.00 £30,793.50

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% £130,730.00 £2,614.60