Convert Nautical miles per pound to Metres per kilogram

Convert Nautical miles per pound (nmi/lb) to Metres per kilogram (m/kg) instantly and accurately.

Nautical miles per pound (nmi/lb)
Metres per kilogram (m/kg)

Conversion Formula

m/kg = nmi/lb × 4082.961096

About Nautical miles per pound

The nautical mile per pound (nmi/lb) equals ≈4.083 km/kg, the standard fuel efficiency unit in US and NATO aviation engineering. Range planning for US Navy, USAF, and FAA-certified aircraft uses nmi/lb or gallons/nmi; ICAO fuel planning worksheets include nmi/lb columns. Typical values: commercial turbofan 0.10-0.25 nmi/lb; turboprop commuter 0.08-0.15 nmi/lb. 1 nmi/lb ≈4.083 km/kg.

About Metres per kilogram

The metre per kilogram (m/kg) is the SI coherent derived unit of mass-based fuel efficiency. It is used in combustion research, rocket propellant comparative testing, and laboratory fuel-cell efficiency benchmarking. A car at 15 km/kg petrol = 15 000 m/kg; a hydrogen fuel cell bus at 120 km/kg H₂ = 120 000 m/kg. 1 m/kg = 1e⁻³ km/kg = 1/1000 km/kg.

Quick Reference Table

Nautical miles per pound (nmi/lb)Metres per kilogram (m/kg)
1 nmi/lb4082.96 m/kg
2 nmi/lb8165.92 m/kg
5 nmi/lb20414.8 m/kg
10 nmi/lb40829.6 m/kg
25 nmi/lb102074 m/kg
50 nmi/lb204148 m/kg
100 nmi/lb408296 m/kg

→ Full Fuel Efficiency Converter (Mass)