Free tools for UK freelancers and sole traders
No sign-up, no accounts, nothing saved to a server. Just the calculators you need to charge properly, pay the right tax, and get paid on time — on your phone or your laptop.
Day Rate Calculator
Work out the day rate you need to charge to hit your target income.
Self-Employed Tax Calculator
See your Income Tax, Class 4/2 NI, and take-home pay.
Late Payment Interest Calculator
Calculate statutory interest and compensation owed on overdue invoices.
Invoice Generator
Create an HMRC-compliant invoice in your browser. No sign-up.
VAT Threshold Calculator
Check whether you need to register for VAT, based on your turnover.
MTD Readiness Checker
See when Making Tax Digital for Income Tax applies to you.
UK Freelancer Rates & Thresholds
Every current tax, NI, VAT, and legal figure in one place — no need to leave the site.