Self-Employed Tax Calculator UK
Estimate income tax and self-employed National Insurance for sole traders using current UK thresholds.
How this self-employed tax calculator uk works
Estimate income tax and self-employed National Insurance for sole traders using current UK thresholds.
Key assumptions
- For self-employed people, Class 4 NIC is 6% between £12,570 and £50,270 and 2% above that. The Class 2 small profits threshold is £7,105 and the voluntary weekly Class 2 rate is £3.65.
FAQs
What are current self-employed NIC rates?
Class 4 NIC is 6% between £12,570 and £50,270, then 2% above that. Voluntary Class 2 is £3.65 per week with a small profits threshold of £7,105.
Self-employed tax calculator UK guide
Sole traders and freelancers often need a quick estimate of what to set aside for tax. This self-employed tax calculator helps with that by combining income tax and National Insurance into a simple planning view.
It is especially useful for side hustlers moving into self-employment, established freelancers smoothing cash flow and sole traders preparing for Self Assessment.
Why setting money aside matters
Unlike employees on PAYE, self-employed workers need to plan for tax bills themselves. A clear estimate can help avoid cash flow pressure when payment deadlines arrive.
Official UK references
Use GOV.UK for current self-employed NIC rules and contribution classes: Self-employed National Insurance rates and National Insurance classes.
Why use this tool
This page is designed to load fast, work on mobile, and give an instant answer without sending your numbers to a server. That makes it ideal for SEO, backlinks and broad shared-hosting compatibility.