Convert Miles per pound to Kilometres per kilogram

Convert Miles per pound (mi/lb) to Kilometres per kilogram (km/kg) instantly and accurately.

Miles per pound (mi/lb)
Kilometres per kilogram (km/kg)

Conversion Formula

km/kg = mi/lb × 3.547996189

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 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.

Quick Reference Table

Miles per pound (mi/lb)Kilometres per kilogram (km/kg)
1 mi/lb3.548 km/kg
2 mi/lb7.09599 km/kg
5 mi/lb17.74 km/kg
10 mi/lb35.48 km/kg
25 mi/lb88.6999 km/kg
50 mi/lb177.4 km/kg
100 mi/lb354.8 km/kg

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