Introduction
Fuel economy measures how efficiently a vehicle uses fuel. The US uses MPG (higher is better), Europe uses L/100km (lower is better), and some Asian markets use km/L (higher is better). Our Fuel Economy Converter handles all three.
Understanding the Units
- MPG (US): Miles per US gallon — distance per volume
- L/100km: Liters per 100 km — volume per distance (inverse)
- km/L: Kilometers per liter — distance per volume
Key Conversions
- MPG (US) to L/100km: 235.215 ÷ MPG
- L/100km to MPG (US): 235.215 ÷ L/100km
- 30 MPG (US) ≈ 7.84 L/100km
- 50 MPG (US) ≈ 4.7 L/100km
Comparing Cars Across Regions
A European car rated 5.5 L/100km converts to about 43 MPG (US) — excellent efficiency. Always check whether MPG is US or UK (imperial gallon is larger).
Conclusion
Compare vehicles fairly with our MPG to L/100km, L/100km to MPG, and fuel economy converter hub.