Convert US Gallons per Mile to Liters per Nautical Mile

Convert US Gallons per Mile (US gal/mi) to Liters per Nautical Mile (L/nmi) instantly and accurately.

Conversion Formula

L/nmi = US gal/mi × 4.356174083

About US Gallons per Mile

US gallons per mile is for extreme consumption: 1 US gal/mi = 235.215 L/100km. Only tanks, heavy mining equipment, or large ships fall into even the fractional gal/mi range. A Boeing 787 burns ~3.9 US gal/mi total (0.015 gal/mi per seat at 85% load factor, 257 seats). Commercial aircraft fleet-wide emission intensity is sometimes expressed in gal/mi per departure. Oceangoing vessels historically logged fuel in US gal/mi in American regulatory frameworks. 1 US gal/mi = 235.215 L/100km = 1 mpg(US) ÷ 100.

About Liters per Nautical Mile

Liters per nautical mile (L/nmi) is the maritime fuel consumption unit. One nautical mile = 1.852 km exactly (one arcminute of latitude). A large container ship (400 m, 200,000 DWT) at 18 knots consumes 50,000-100,000 L/nmi of heavy fuel oil; a RoPax ferry 800-3,000 L/nmi; a RIB patrol boat at 25 knots 30-80 L/nmi. Slow-steaming reduces L/nmi by 30-40% due to the cubic drag-speed relationship. Bunker cost per nmi = L/nmi × fuel price/litre. 1 L/nmi = 100/1.852 ≈ 53.996 L/100km.

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