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
£90,450.40
Monthly net income
£7,537.53
Weekly net income
£1,739.43
Quarterly set-aside
£28,274.80
Set aside £28,274.80 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£147,000.00
Income tax£52,353.00
Class 4 NI£4,196.60
Student loan£0.00
Total deductions£56,549.60
Net income£90,450.40

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% £21,860.00 £9,837.00

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% £96,730.00 £1,934.60