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Fuel Calculators

New! 🚗

We've launched our new Fuel Savings Calculators page – compare fuel costs, trip prices, carbon footprint and more. Try it out!
Miles Kilometers
GBP (£) EUR (€)

Fuel Cost Calculator

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Calculate the fuel cost for a journey by entering the distance, your car's fuel efficiency, and the current fuel price.

Distance must be a positive number.

Select a model to auto-fill MPG, or enter manually below.

MPG must be a positive number.

Check your car's official MPG on the UK Government's VCA database.

Fuel price must be a positive number.

Result will appear here...

Yearly Fuel Cost Calculator

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Estimate your annual fuel cost based on your daily commute (assumes 260 working days per year).

Distance must be a positive number.

MPG must be a positive number.

Check your car's official MPG on the UK Government's VCA database.

Fuel price must be a positive number.

Result will appear here...

Fuel Efficiency Improvement Calculator

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Calculate potential annual savings if your car's fuel efficiency improves.

Distance must be a positive number.

MPG must be a positive number.

Check your car's official MPG on the UK Government's VCA database.

MPG must be a positive number.

Estimate improved MPG based on better driving habits, maintenance, or a more efficient vehicle. Check potential MPG on the UK Government's VCA database.

Fuel price must be a positive number.

Result will appear here...

EV Running Cost Calculator

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Estimate the running cost of an electric vehicle.

Distance must be a positive number.

Efficiency must be a positive number.

Default is 4 miles/kWh, typical for UK EVs. Check your EV's efficiency on the UK Government's VCA database.

Electricity cost must be a positive number.

Default electricity cost (34p/kWh) is based on the UK average as of April 2025.

Result will appear here...

Carbon Footprint Calculator

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Calculate CO₂ emissions for a journey (approx. 2.31 kg CO₂ per litre of petrol).

Emission factor of 2.31 kg CO₂ per litre is based on UK government data for petrol vehicles.

Distance must be a positive number.

MPG must be a positive number.

Check your car's official MPG on the UK Government's VCA database.

Result will appear here...

Mileage Reimbursement Calculator

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Calculate your mileage reimbursement.

Distance must be a positive number.

Rate must be a positive number.

HMRC approved rate is £0.45 per mile for the first 10,000 miles. See HMRC rules.

Result will appear here...

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Disclaimer: Calculator estimates are for informational purposes only. Actual costs may vary.