Calculation GuideVerified Formula

How to calculate fuel costs

Turn distance, economy and price into a trip fuel budget.

1Two consumption styles

If economy is km/L, fuel = distance ÷ km/L. If consumption is L/100 km, fuel = (L/100) × distance / 100. Cost = fuel × price. Add tolls and parking separately for a trip total.

Try It Yourself With Interactive Calculators

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Fuel Cost

Estimate fuel spend from distance, consumption and price.

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Mileage

Fuel economy in km/L, L/100 km and US mpg.

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Trip Cost

Fuel cost plus extra trip expenses such as tolls.

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Guide Quick Overview

Category: Educational reference

Verified: Accurate mathematical algorithms with boundary validation.

Sections: 1 core learning steps.

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