Convert Miles per US Gallon to Liters per Kilometer
Convert Miles per US Gallon (mpg (US)) to Liters per Kilometer (L/km) instantly and accurately.
Conversion Formula
L/km = 2.352145833 ÷ mpg (US)
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.
About Liters per Kilometer
Liters per kilometer (L/km) is 100× larger than L/100km, suited to heavy vehicles and industrial machinery. A European family car at 0.07 L/km; a Class 8 semi-truck 0.33-0.40 L/km; an M1 Abrams tank ~1.3 L/km on road, ~4 L/km off-road; a diesel mainline locomotive 5-8 L/km. Australian road trains (200+ t) log fuel in L/km to plan outback depot spacing. A Caterpillar 793F mining dump truck fully laden uses 4-6 L/km. 1 L/km = 100 L/100km.
Quick Reference Table
| Miles per US Gallon (mpg (US)) | Liters per Kilometer (L/km) |
|---|---|
| 1 mpg (US) | 2.35215 L/km |
| 2 mpg (US) | 1.17607 L/km |
| 5 mpg (US) | 0.470429 L/km |
| 10 mpg (US) | 0.235215 L/km |
| 25 mpg (US) | 0.0940858 L/km |
| 50 mpg (US) | 0.0470429 L/km |
| 100 mpg (US) | 0.0235215 L/km |