Self-Employed Tax Calculator
Free self-employed tax calculator for UK sole traders and freelancers. Enter your annual profit and allowable expenses to estimate your 2024/25 Income Tax, Class 4 National Insurance, total tax due, and take-home pay. Includes a visual tax breakdown.
UK 2024/25 estimates only. Applies to UK self-employed sole traders - Income Tax bands and Class 4 National Insurance. Does not include pension contributions, other income, or allowances. Tax rules vary by country; consult a local accountant for your actual liability.
Equipment, software, travel, office costs
Enter your annual income to estimate your UK self-employment tax for 2024/25.
Frequently Asked Questions
How much tax do self-employed people pay in the UK?
Self-employed sole traders pay Income Tax (20% basic rate on profits between £12,571 and £50,270, 40% higher rate above £50,270) and Class 4 National Insurance (9% on profits between £12,570 and £50,270, 2% above that). Class 2 NI (£3.45/week) was abolished from April 2024.
What is the self-employed tax-free allowance for 2024/25?
The Personal Allowance for 2024/25 is £12,570. You pay no Income Tax on profits up to this amount. This allowance is reduced by £1 for every £2 your income exceeds £100,000.
Do I need to do a Self Assessment tax return?
Yes, if you are self-employed with profits over £1,000 per year, you must register for Self Assessment and file an annual tax return. The deadline for online returns is 31 January following the end of the tax year.
What expenses can I deduct as a self-employed person?
You can deduct allowable business expenses including: office costs, travel (business mileage at HMRC rates), equipment, professional fees (accountant, solicitor), marketing, training directly related to your work, and a proportion of home costs if you work from home.
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