Miles per US Gallon to Kilometre per Litre
Free instant miles per us gallon to kilometre per litre converter. 1 mpg = 0.425144 km/L.
Common Miles per US Gallon to Kilometre per Litre values
| Miles per US Gallon (mpg) | Kilometre per Litre (km/L) |
|---|---|
| 1 | 0.425144 |
| 5 | 2.12572 |
| 10 | 4.25144 |
| 25 | 10.6286 |
| 50 | 21.2572 |
| 100 | 42.5144 |
| 500 | 212.572 |
| 1000 | 425.144 |
How does Miles per US Gallon to Kilometre per Litre conversion work?
Type a value in the Miles per US Gallon (mpg) field and the equivalent in Kilometre per Litre (km/L) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Miles per US Gallon. The standard fuel-economy unit in the US. HIGHER is better — 30 mpg is decent; 50+ mpg is excellent.
Kilometre per Litre. Used in some Asian and South American countries. Higher is better. 20 km/L is excellent; 10 km/L is average.
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Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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