Convert Kilometres per kilogram to Kilometres per gram
Convert Kilometres per kilogram (km/kg) to Kilometres per gram (km/g) instantly and accurately.
Conversion Formula
km/g = km/kg × 0.001
About Kilometres per kilogram
The kilometre per kilogram (km/kg) is the standard metric mass-based fuel efficiency unit. Toyota Mirai FCEV: ≈140 km/kg H₂; current-generation hydrogen buses: 8-12 km/kg; LPG cars: 12-17 km/kg; CNG cars: 14-18 km/kg. Aviation: Airbus A320neo ≈0.08 km/kg fuel per seat. 1 km/kg = 1000 m/kg ≈0.621 mi/kg.
About Kilometres per gram
The kilometre per gram (km/g) equals 1000 km/kg, the unit for ultra-efficient propulsion systems and hydrogen fuel cell vehicles. A Toyota Mirai at 140 km/kg H₂ = 0.14 km/g; hypothetical rocket-propellant comparison studies use km/g to express chemical energy density. A solid-propellant gas generator releasing 1 km of equivalent travel per gram of propellant represents extreme efficiency. 1 km/g = 1000 km/kg.
Quick Reference Table
| Kilometres per kilogram (km/kg) | Kilometres per gram (km/g) |
|---|---|
| 1 km/kg | 0.001 km/g |
| 2 km/kg | 0.002 km/g |
| 5 km/kg | 0.005 km/g |
| 10 km/kg | 0.01 km/g |
| 25 km/kg | 0.025 km/g |
| 50 km/kg | 0.05 km/g |
| 100 km/kg | 0.1 km/g |