Convert Kilometers per Liter to Miles per US Gallon
Convert Kilometers per Liter (km/L) to Miles per US Gallon (mpg (US)) instantly and accurately.
Conversion Formula
mpg (US) = km/L × 0.4251437074
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).
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 Liter (km/L) | Miles per US Gallon (mpg (US)) |
|---|---|
| 1 km/L | 2.35215 mpg (US) |
| 2 km/L | 4.70429 mpg (US) |
| 5 km/L | 11.7607 mpg (US) |
| 10 km/L | 23.5215 mpg (US) |
| 25 km/L | 58.8036 mpg (US) |
| 50 km/L | 117.607 mpg (US) |
| 100 km/L | 235.215 mpg (US) |