Company Car Tax Calculator
Benefit in kind tax on company cars is based on the car’s list price (P11D value), its CO2 emissions, and its fuel type. This calculator helps you estimate your annual tax based on the HMRC rates for the 2025/2026 tax year.
Simple Calculator
Your Estimated Annual Tax (2025/26)
| Benefit in Kind (BIK) Rate | |
|---|---|
| Taxable Value (P11D x BIK Rate) | |
| Annual Tax (20% Taxpayer) | |
| Annual Tax (40% Taxpayer) | |
| Annual Tax (45% Taxpayer) |
This is an estimate for informational purposes only and does not constitute financial advice. Rates are based on HMRC’s 2025/26 guidelines. Consult a financial advisor for precise calculations.
New Cars
Select a specific make and model to calculate tax automatically.
Older Cars
Is the car already registered? Historical rates may apply. Use the simple calculator with the car’s data.
Build
Not sure which new car? Configure the vehicle step by step. (Feature coming soon)