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
£101,050.40
Monthly net income
£8,420.87
Weekly net income
£1,943.28
Quarterly set-aside
£32,974.80
Set aside £32,974.80 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£167,000.00
Income tax£61,353.00
Class 4 NI£4,596.60
Student loan£0.00
Total deductions£65,949.60
Net income£101,050.40

Income tax by band

Band Rate Taxable amount Tax
Basic rate 20.0% £37,700.00 £7,540.00
Higher rate 40.0% £87,440.00 £34,976.00
Additional rate 45.0% £41,860.00 £18,837.00

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% £116,730.00 £2,334.60