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
£158,191.90
Monthly net income
£13,182.66
Weekly net income
£3,042.15
Quarterly set-aside
£58,904.05
Set aside £58,904.05 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£276,000.00
Income tax£111,031.50
Class 4 NI£6,776.60
Student loan£0.00
Total deductions£117,808.10
Net income£158,191.90

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% £163,430.00 £73,543.50

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% £225,730.00 £4,514.60