Fuel Economy Converter

Convert between MPG (US/UK), L/100km, and km/L. Compare vehicle fuel efficiency worldwide.

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🚙 Vehicle Fuel Economy Examples

Vehicle TypeMPG (US)L/100km
Compact car35 MPG6.7 L/100km
Mid-size sedan28 MPG8.4 L/100km
SUV22 MPG10.7 L/100km
Hybrid50 MPG4.7 L/100km

📚 Understanding Fuel Economy

Fuel economy measures how efficiently a vehicle uses fuel. MPG (miles per gallon) is used in the US and UK, while L/100km (liters per 100 kilometers) is common in Europe and Australia. Higher MPG means better efficiency, but lower L/100km means better efficiency (inverse relationship).

US vs UK MPG: UK gallons are 20% larger than US gallons (4.546L vs 3.785L), so UK MPG numbers are about 20% higher for the same vehicle. Always specify which system when comparing fuel economy.