Convert Kilometers per US Gallon to Miles per US Gallon
Convert Kilometers per US Gallon (km/US gal) to Miles per US Gallon (mpg (US)) instantly and accurately.
Conversion Formula
mpg (US) = km/US gal × 1.609344
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.
About Miles per US Gallon
Miles per US gallon (mpg(US)) is the US and Canadian standard, displayed on every EPA Monroney sticker and used in CAFE regulations. The US gallon = 3.785411784 L; 1 mile = 1.609344 km. 2026 CAFE passenger car standard: ~49 mpg. Toyota Prius Prime: 52 mpg; Tesla Model 3: 132 MPGe. Historical: Ford Model T 21-25 mpg; 1973 US full-size cars 10-15 mpg. NASCAR at race speed: 4-5 mpg; Class 8 semi: 5-8 mpg. L/100km = 235.21458/mpg(US): 30 mpg = 7.84 L/100km; 50 mpg = 4.71 L/100km.
Quick Reference Table
| Kilometers per US Gallon (km/US gal) | Miles per US Gallon (mpg (US)) |
|---|---|
| 1 km/US gal | 0.621371 mpg (US) |
| 2 km/US gal | 1.24274 mpg (US) |
| 5 km/US gal | 3.10686 mpg (US) |
| 10 km/US gal | 6.21371 mpg (US) |
| 25 km/US gal | 15.5343 mpg (US) |
| 50 km/US gal | 31.0686 mpg (US) |
| 100 km/US gal | 62.1371 mpg (US) |