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
£73,029.72
Monthly net income
£6,085.81
Weekly net income
£1,404.42
Quarterly set-aside
£25,985.14
Set aside £25,985.14 per quarter. Payment dates are typically 31 January and 31 July.

Full breakdown

Annual profit£125,000.00
Income tax£48,034.28
Class 2 NI£179.40
Class 4 NI£3,756.60
Student loan£0.00
Total deductions£51,970.28
Net income£73,029.72

Income tax by band

Band Rate Taxable amount Tax
Starter rate 19.0% £2,162.00 £410.78
Basic rate 20.0% £10,956.00 £2,191.20
Intermediate rate 21.0% £17,974.00 £3,774.54
Higher rate 42.0% £31,338.00 £13,161.96
Advanced rate 45.0% £50,140.00 £22,563.00
Top rate 48.0% £12,360.00 £5,932.80

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% £74,730.00 £1,494.60