Fuel Consumption Converter

Convert between different units of fuel consumption and fuel economy with precision and ease.

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Fuel Consumption Converter

Instant conversion between fuel consumption and economy units

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⚡ Popular Conversions

About Fuel Consumption Conversion

Metric Units

Standard international units.

  • L/100km - Liters per 100 km
  • km/L - Distance per liter
  • L/km - Consumption per km
  • L/100mi - Liters per 100 miles

Imperial Units

US and UK measurement systems.

  • MPG US - Miles per US gallon
  • MPG Imp - Miles per Imperial gallon
  • Gal/100mi - Gallons per 100 miles
  • 1 US gal = 3.785 L
  • 1 Imp gal = 4.546 L

Efficiency Ratings

Typical vehicle ratings.

  • Excellent - <5 L/100km (>50 MPG)
  • Good - 5-7 L/100km (34-47 MPG)
  • Average - 7-10 L/100km (24-34 MPG)
  • Poor - >12 L/100km (<20 MPG)

Applications

Uses of fuel consumption data.

  • Vehicle - Car efficiency rating
  • Fleet - Commercial operations
  • Environmental - CO₂ emissions
  • Economic - Operating costs
  • Planning - Trip fuel estimates

Understanding Fuel Consumption Units

Fuel consumption measurements vary significantly between regions, with metric systems using liters per 100 kilometers (L/100km) while imperial systems prefer miles per gallon (MPG). Understanding these conversions is essential for international vehicle comparisons, travel planning, and environmental impact assessments.

The metric system expresses fuel consumption as liters consumed per 100 kilometers, where lower numbers indicate better efficiency. For example, a modern hybrid vehicle might achieve 4-5 L/100km, while a large SUV might consume 10-12 L/100km in combined driving conditions.

Imperial measurements use miles per gallon, where higher numbers indicate better efficiency. The distinction between US gallons (3.785 L) and Imperial gallons (4.546 L) creates different MPG ratings for the same vehicle, with Imperial MPG being approximately 20% higher than US MPG figures.

For environmental comparisons, fuel consumption directly correlates with CO₂ emissions, with each liter of gasoline producing approximately 2.3 kg of CO₂. This relationship makes fuel consumption converters valuable tools for calculating carbon footprints and comparing vehicle environmental impacts across different measurement systems.

Commercial applications include fleet management, where accurate fuel consumption conversions help optimize routing, vehicle selection, and operating cost calculations. International shipping and logistics companies regularly use these conversions to standardize efficiency metrics across different regional markets and regulatory requirements.