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Fuel Consumption Converter

Convert between L/100km, MPG (US/UK), km/L, and more.

6 units
6 decimals

1 L/100km = 235.214583 mpg

About the fuel consumption converter

Convert fuel economy between L/100 km (used in Europe and most of the world), miles per gallon (US and imperial), and km per liter. Note that L/100 km is reciprocal to mpg — doubling fuel economy halves the L/100 km value, not the other way around.

Frequently asked questions

  • How many mpg is 5 L/100 km?

    5 L/100 km equals approximately 47 mpg (US) or 56.5 mpg (UK).

  • Why is the US gallon different from the UK gallon?

    A US gallon is 3.785 liters; an imperial (UK) gallon is 4.546 liters. So 30 mpg (US) is roughly 36 mpg (UK).

  • How do I convert mpg to L/100 km?

    Use 235.215 / mpg(US) or 282.481 / mpg(UK). For example, 30 mpg(US) = 235.215 / 30 ≈ 7.84 L/100 km.

  • Is lower better or higher better?

    For L/100 km, lower is better (less fuel per distance). For mpg and km/L, higher is better.

More common converters

Length → Weight and Mass → Volume → Temperature → Area → Pressure → Energy → Speed →

Complete list of fuel consumption units