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Fuel cost calculator

Annual fuel cost from miles per year, mpg, and price per litre.

Annual miles

Fuel economy (mpg)

Price per litre (£)

Annual fuel cost

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Enter values above to calculate.

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Uses UK gallons (4.546 L). Real-world mpg varies with driving style and traffic — we recommend the WLTP figure or a 6-month logged average. EVs price differently: use pence/kWh × kWh/100mi instead.

Tool maintained by Studio Woodlark — a sub-brand of Woodlark Associates Ltd. Rates and bands subject to change. Provided for guidance; not a substitute for advice.