Fuel Economy Guides

Guides for MPG, L/100km, and the regional meaning behind fuel-economy numbers.

Guides In This Topic

These pages explain how mileage and fuel-use metrics differ before you convert them.

MPG vs L/100km Explained: Why Fuel Economy Looks Reversed Across Regions

Interpret distance-per-fuel and fuel-per-distance values under the declared US-gallon convention.

Popular Fuel Economy Converter Tools

When you already know the exact task, move from these support pages into the direct conversion or formatting tools.

MPG to L/100km previewFuel

MPG to L/100km

Convert a US-MPG fuel-economy figure into metric fuel consumption. MPG means miles per US liquid gallon on these two established routes; Imperial MPG uses a different gallon.

 L/100km to MPG previewFuel

L/100km to MPG

Convert metric fuel consumption into US miles per gallon. MPG means miles per US liquid gallon on these two established routes; Imperial MPG uses a different gallon.

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