Welcome to Fuel Economy

Welcome to the MPG Calculator website, home to a number of calculators that aim to tell the real fuel economy of your car, help you workout which fuel station to use to optimise economy and to help you compare the running costs of different vehicles, perhaps to help a buying decision.

Calculate your MPG

Don't believe your dash computer — calculate your accurate MPG here.

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Which Local Fuel Station?

Use our database of 7250 fuel stations to find the cheapest station near you.

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Compare Two Cars

Compare the full annual running costs — fuel, tax, insurance and more — of two vehicles.

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Petrol vs Diesel Break-Even

Find out how many miles you need to drive before the diesel version of a car pays back its higher purchase price.

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Two Cars vs One

Would two cheaper cars cost less to run than one car covering all your miles? Find out here.

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One Car vs Two

Thinking of replacing two cars with one? See whether a single new car would be cheaper to run.

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Fleet Running Costs

Calculate and compare the annual running costs for a fleet of up to four vehicles.

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Weekly/Monthly/Annual Fuel Cost

Calculate your fuel cost over a period based on MPG, distance and price.

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How Much Will a Journey Cost?

Calculate a journey cost based on the current fuel price and distance.

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How Far Will £X Get Me?

How far will you get from a certain value of fuel? We've all wondered this, especially at motorway services!

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