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
£149,181.90
Monthly net income
£12,431.82
Weekly net income
£2,868.88
Quarterly set-aside
£54,909.05
Set aside £54,909.05 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£259,000.00
Income tax£103,381.50
Class 4 NI£6,436.60
Student loan£0.00
Total deductions£109,818.10
Net income£149,181.90

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% £146,430.00 £65,893.50

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% £208,730.00 £4,174.60