Convert Miles per pound to Kilometres per gram
Convert Miles per pound (mi/lb) to Kilometres per gram (km/g) instantly and accurately.
Conversion Formula
km/g = mi/lb × 0.003547996189
About Miles per pound
The mile per pound (mi/lb) equals ≈3.548 km/kg, the traditional US aviation mass-efficiency unit. Cessna 172 on avgas: ≈0.28-0.32 mi/lb; Piper Cherokee: ≈0.30-0.35 mi/lb; Boeing 737 MAX per seat: ≈0.10-0.15 mi/lb. US military aircraft fuel efficiency analyses and early NASA propellant studies used mi/lb. 1 mi/lb ≈3.548 km/kg = 1.609344/0.45359237 km/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
| Miles per pound (mi/lb) | Kilometres per gram (km/g) |
|---|---|
| 1 mi/lb | 0.003548 km/g |
| 2 mi/lb | 0.00709599 km/g |
| 5 mi/lb | 0.01774 km/g |
| 10 mi/lb | 0.03548 km/g |
| 25 mi/lb | 0.0886999 km/g |
| 50 mi/lb | 0.1774 km/g |
| 100 mi/lb | 0.3548 km/g |