Convert Kilometres per pound to Nautical miles per pound
Convert Kilometres per pound (km/lb) to Nautical miles per pound (nmi/lb) instantly and accurately.
Conversion Formula
nmi/lb = km/lb × 0.5399568035
About Kilometres per pound
The kilometre per pound (km/lb) equals ≈2.205 km/kg, common in US-to-metric cross-border transport analysis and fuel research papers where distances are in km but fuel invoices are weighed in pounds. A car burning 6 kg/100 km petrol gets ≈16.7 km/kg = 7.57 km/lb. 1 km/lb = 1/0.45359237 km/kg ≈2.205 km/kg.
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.
Quick Reference Table
| Kilometres per pound (km/lb) | Nautical miles per pound (nmi/lb) |
|---|---|
| 1 km/lb | 0.539957 nmi/lb |
| 2 km/lb | 1.07991 nmi/lb |
| 5 km/lb | 2.69978 nmi/lb |
| 10 km/lb | 5.39957 nmi/lb |
| 25 km/lb | 13.4989 nmi/lb |
| 50 km/lb | 26.9978 nmi/lb |
| 100 km/lb | 53.9957 nmi/lb |