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.