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Inside IR35 Calculator

Use our inside IR35 calculator to estimate your net annual and monthly take-home pay if your contract falls inside IR35. This calculator is for limited company contractors whose contract falls inside IR35, not for umbrella company workers.

Disclaimer: The inside IR35 Calculator is provided for guidance only and does not constitute legal, financial, or tax advice. Figures are estimates and may vary depending on your exact situation. For personalised planning, consult a qualified accountant or tax adviser familiar with contractor tax law and IR35 regulations.

IR35 Calculators
Outside IR35 Calculator
Use our free Outside IR35 calculator to estimate your take-home pay as a limited company contractor.
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Inside vs Outside IR35 Calculator
Use our free IR35 calculator to estimate and compare your take-home pay under both scenarios, inside vs outside IR35.
Try this IR35 calculator
Calculations Reviewed by ✔ Verified
Xero Advisor Certified | ACCA Part-Qualified Accountant

Calculations on this page have been reviewed and verified to ensure accuracy and alignment with current UK tax regulations for the 2026 tax year.

Last reviewed: April 2026

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