⛽ Fuel Efficiency Converter

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

⛽

Fuel Efficiency Converter

Converters

Inputs

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How to Use This Calculator

  1. 1

    Enter your fuel efficiency value.

  2. 2

    Select the unit it's in.

  3. 3

    Click Calculate to see all conversions.

How It Works

MPG (US) uses the US gallon (3.785 L), MPG (UK) uses the imperial gallon (4.546 L). L/100km is standard in Europe. km/L is common in Asia.

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Frequently Asked Questions

Above 35 MPG (US) / 6.7 L/100km is considered good for a petrol car. Hybrids typically achieve 50+ MPG.

Why Use This Tool

  • Instant, accurate results
  • No registration required
  • 100% free forever
  • Works on all devices
  • Privacy — no data stored