For sole traders & freelancers in the UK
Know what's yours before HMRC asks.
Clear, honest calculators for self-employed people. See your tax, National Insurance and real take-home pay in seconds — with every step of the maths shown.
Free, no sign-up
Runs in your browser. Nothing you type is sent anywhere.
Transparent
Every rate and threshold is listed with its tax year.
Kept current
Tax figures last reviewed October 2026.
Available now
Coming next
Tools we're building for the self-employed.
VAT · Coming next
VAT Calculator
Add or remove VAT at UK rates.
VAT · Coming next
VAT Threshold Checker
Track rolling turnover against the registration threshold.
Tax & National Insurance · Coming next
MTD Readiness Planner
See when Making Tax Digital for Income Tax applies to you.
Business structure · Coming next
Sole Trader vs Limited Company
Compare take-home under each structure.
Tax & National Insurance · Coming next
CIS Calculator
Construction Industry Scheme deductions and refunds.
Pricing & rates · Coming next
Hourly & Day Rate Calculator
Turn a target income into a rate that covers tax and time off.
Tax & National Insurance · Coming next
Tax Savings Calculator
Model the effect of pension contributions and expenses.
Property · Coming next
Landlord Profit & Tax Calculator
Estimate rental profit and tax.