Fuel Economy Converter

Convert between MPG (US/UK), km/L and L/100km — including the inverse L/100km scale.

Enter values

Value

From

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normalise to km/L, then to target; L/100km = 100 ÷ (km/L)

All calculations run locally in your browser and update instantly as you type.

Why is L/100km “backwards”?+

Lower L/100km means better economy, because it measures fuel used per distance — the inverse of mpg or km/L, where higher is better.

All calculations run locally in your browser. Nothing you type is sent to a server.