Free IR35 and contractor tax calculators
Free tools for UK contractors and PSC directors, using the locked 2026/27 tax figures. Work out your take-home outside or inside IR35, compare umbrella against limited, and plan your salary, dividends and corporation tax.
IR35 and take-home
Outside IR35 Take-Home Pay Calculator
Work out your annual net take-home through a limited company on an outside-IR35 contract for 2026/27, with the full salary, dividend, corporation tax and NIC breakdown.
Open calculator →Inside IR35 Take-Home Pay Calculator
Work out your annual net take-home on an inside-IR35 or umbrella contract for 2026/27, after employer NIC, the Apprenticeship Levy, the umbrella margin and PAYE.
Open calculator →Umbrella vs Limited Company Calculator
Compare your annual take-home through an umbrella (inside IR35) against a limited company (outside IR35) at the same day rate for 2026/27, and see the difference in pounds.
Open calculator →Dividends and salary
Dividend Tax Calculator
Work out the dividend tax due on your salary and dividends for 2026/27, with the £500 allowance and the tax in each band shown at the 10.75%, 35.75% and 39.35% rates.
Open calculator →Contractor Salary and Dividend Calculator
Compare a £12,570 versus £6,708 director salary on the same turnover for 2026/27 and see which leaves a single-director company with the higher net take-home.
Open calculator →Need help interpreting your results?
These calculators provide simplified 2026/27 estimates. For a full review of your IR35 status, the most tax-efficient salary, dividend and pension split, or your umbrella versus limited decision, speak to one of our contractor specialists.