Convert Imperial Gallons per Mile to Kilometers per US Gallon

Convert Imperial Gallons per Mile (Imp gal/mi) to Kilometers per US Gallon (km/US gal) instantly and accurately.

Conversion Formula

km/US gal = 1.340059203 ÷ Imp gal/mi

About Imperial Gallons per Mile

Imperial gallons per mile is the British counterpart, using the 4.54609 L Imperial gallon. 1 Imp gal/mi = 4.54609/1.609344 × 100 = 282.481 L/100km - among the largest fuel-consumption values in practical use, representing large vessels and heavy machinery. It appears in older Royal Navy vessel technical logs and historical British railway and steam-locomotive records. As mpg(Imp) and gal/mi are reciprocals, a 50 mpg(Imp) car uses exactly 0.02 Imp gal/mi = 5.650 L/100km. 1 Imp gal/mi = 282.481 L/100km.

About Kilometers per US Gallon

Kilometers per US gallon (km/US gal) appears in regions where metric road distances coexist with US gallon fuel pricing - the US-Mexico border zone, parts of Latin America, and the Caribbean. 1 km/US gal = 1/3.785411784 km/L = 0.264172 km/L. A typical car at 12.75 km/L = 48.3 km/US gal; a scooter at 35 km/L = 132 km/US gal. Mexican Federal District fleet databases and Central American logistics records use this unit when US gallon fuel costs are referenced in kilometre-based route planning. 1 km/US gal = 0.264172 km/L.

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