Mpg Calculator
Fuel Efficiency & Unit Converter
MPG Calculator – Convert MPG, KM/L and L/100 km
Calculate real-world miles per gallon from your odometer readings or convert directly between US MPG, UK Imperial MPG, Kilometers per Litre (km/L), and Litres per 100 km (L/100 km).
Enter Trip Readings
Common Vehicle Benchmarks:
Primary Fuel Economy (US Standard)
23.7
US MPG
Consuming approximately 9.9 Litres per 100 km (10.1 km/L).
US MPG (Miles / US Gal)
23.70
Standard United States measure
UK Imperial MPG
28.46
British Imperial Gallon (4.546L)
L / 100 km (Lower is better)
9.92
European & Australian standard
km / L (Higher is better)
10.08
Japanese & Asian standard
Fuel Consumption Spectrum (L / 100 km)
🌱 Efficient (4-6 L)
🚗 Average (8-10 L)
🏎️ V8 Muscle (12-16 L)
⚡ Gas Guzzler (18+ L)