Contractor calculators & tools
Free, no-sign-up calculators for UK contractors. See what you would actually take home on different routes, using 2026/27 tax rates.
IR35 calculator
Compare what you would take home inside IR35 and outside IR35 on the same contract rate, side by side, and see the rate you would need inside IR35 to match it.
Open calculatorContractor take-home pay calculator
Enter your contract rate, choose limited company or umbrella, and see what you would actually take home each month, year, week and day.
Open calculatorMore tools on the way
We’re building more calculators for contractors, including a day rate calculator and dividend and corporation tax tools. Check back soon.
Coming soon