Convert Miles per US Gallon to Kilometers per Liter
Convert Miles per US Gallon (mpg (US)) to Kilometers per Liter (km/L) instantly and accurately.
Conversion Formula
km/L = mpg (US) × 2.352145833
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 Kilometers per Liter
Kilometers per liter (km/L) is the standard fuel economy unit in Japan, South Korea, India, Indonesia, Brazil, and most of Latin America and Southeast Asia. Japan's WLTC test cycle certifies fuel economy in km/L under JIS D 1012. Representative WLTC values: Toyota Prius ~26-32 km/L; Honda Jazz hybrid ~28-36 km/L; Hyundai Tucson petrol ~11-14 km/L; Royal Enfield Bullet 350 (India) ~35-42 km/L; 50cc scooter ~40-55 km/L. Hypermiling records: a Prius exceeding 80 km/L. 1 km/L = 100/(km/L value) L/100km = 2.352 mpg(US).
Quick Reference Table
| Miles per US Gallon (mpg (US)) | Kilometers per Liter (km/L) |
|---|---|
| 1 mpg (US) | 0.425144 km/L |
| 2 mpg (US) | 0.850287 km/L |
| 5 mpg (US) | 2.12572 km/L |
| 10 mpg (US) | 4.25144 km/L |
| 25 mpg (US) | 10.6286 km/L |
| 50 mpg (US) | 21.2572 km/L |
| 100 mpg (US) | 42.5144 km/L |