Fuel cost

Personal miles driven (per annum):

The total personal miles driven per annum.

Price paid per litre of fuel (pence):

MPG of vehicle:

The Miles Per Gallon of the vehicle.

Paid for private use:

Does your employer pay for private fuel for a company car? Is it a benefit worth having? Find out by ticking the box and completing the additional information below, if it applies to you.

Registered on/after 6th April 2020?

Tax Rate (%):

Your marginal tax rate

Fuel type:

The type of fuel that the vehicle uses

CO2 emissions (gm/km):

The CO₂ Emissions of the vehicle.

Note: These calculations are only for illustrative purposes and are not a substitute for professional advice.

03 Jul 2026

Gen Zs wish they had learnt basics about tax

Four in ten of Generation Z say they wish they had learnt the basics about tax when they were younger, according to data from HMRC.

02 Jul 2026

Taxpayers urged to get ahead of July self assessment payment deadline

HMRC is reminding millions of self assessment taxpayers to prepare for the 2025 to 2026 tax year second payments on account 31 July deadline.

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Fuel cost

Gen Zs wish they had learnt basics about tax

Taxpayers urged to get ahead of July self assessment payment deadline

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