Company car tax calculator

The What Car? company car tax calculator allows you to calculate the HMRC company car tax charge based on a car's taxable value and CO2 rating.

To perform a calculation, select a car using the options below and click the CALCULATE button.

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Percentage charge
Benefit in kind
Tax payable at 20%
Tax payable at 40%

* Calculations based on taxable value of and CO2 emissions of g/km.

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