Multiply km/L by 2.352 for US mpg. Example: 15 km/L × 2.352 = 35.28 mpg. Good mileage in India: petrol cars 15+ km/L, diesel 18+ km/L, CNG 25+ km/kg.
Q: What is L/100km?
Litres per 100km measures how many litres of fuel are consumed per 100km — lower is better. A car with 6 L/100km = 16.67 km/L. European fuel economy is measured in L/100km.