Us Mpg to Kilometers Per Liter
US miles per gallon states how far a vehicle travels per US gallon of fuel, the standard fuel economy rating in the US. Kilometers per liter states how far a vehicle travels per liter of fuel, commonly used in Asia and Latin America. 1 mpg equals ≈0.425144 km/L, so converting between them is a matter of multiplying by that fixed factor — type any value into the converter below and both sides update instantly as you type.
Both units belong to fuel economy, measured here against fuel economy's base unit (L/100km) — every other fuel economy unit on this site converts through that same reference point, which is why the table below can also be read as a quick cross-check against nearby values.
Formula
km/L = mpg × ≈0.425144
mpg = km/L × ≈2.35215
Worked example: 5 mpg × ≈0.425144 = ≈2.12572 km/L.
Conversion table
| MPG (US) (mpg) | Kilometers per liter (km/L) |
|---|---|
| 1 mpg | ≈0.425144 km/L |
| 2 mpg | ≈0.850287 km/L |
| 3 mpg | ≈1.27543 km/L |
| 5 mpg | ≈2.12572 km/L |
| 10 mpg | ≈4.25144 km/L |
| 20 mpg | ≈8.50287 km/L |
| 25 mpg | ≈10.6286 km/L |
| 50 mpg | ≈21.2572 km/L |
| 100 mpg | ≈42.5144 km/L |
| 250 mpg | ≈106.286 km/L |
| 500 mpg | ≈212.572 km/L |
| 1,000 mpg | ≈425.144 km/L |
Frequently asked
- How many Kilometers per liter in a mpg (us)?
- 1 mpg equals ≈0.425144 km/L.
- How do I convert MPG (US) to Kilometers per liter?
- Multiply the value in mpg by ≈0.425144 to get km/L. The converter above does this instantly as you type.
- Is the conversion exact?
- Yes — MPG (US) and Kilometers per liter are both defined by a fixed conversion factor to fuel economy's base unit (L/100km), so the result shown is exact to the precision displayed, not an approximation.