Fuel costs calculator

Find out how much you spend on fuel per year.

Enter the details of how many miles you expect to drive in the next twelve months, along with the price you pay for fuel (less VAT if you are VAT registered) and the MPG of your vehicle. This calculator will then provide you with details of how much you spend on fuel per year.

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.

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.

Alternative calculators

Latest news

07 Jul 2025

HMRC system attack is a timely reminder to keep personal data safe

Taxpayers are being urged to check their online HMRC account after scammers attempted to defraud the tax authority using individuals' data and login details.

07 Jul 2025

Government should take more strategic approach to tax policy, says CIOT

The government should take a more strategic approach to tax policy, consulting earlier and giving greater thought to the design of the tax system, says Nichola Ross Martin, President of the Chartered Institute of Taxation (CIOT).

07 Jul 2025

HMRC names and shames over 500 employers for failing to pay NLW

HMRC has named and shamed over 500 UK employers for failing to pay the National Living Wage (NLW) or the National Minimum Wage (NMW).

Accessibility links

Fuel costs calculator

Latest news

HMRC system attack is a timely reminder to keep personal data safe

Government should take more strategic approach to tax policy, says CIOT

HMRC names and shames over 500 employers for failing to pay NLW