Miles per Gallon (US)s to Kilometers per Liters
Convert miles per gallon (us) to kilometers per liter — instant, free, with the formula shown.
How to convert miles per gallon (us) to kilometers per liter
This converter uses a function-based formula, not a simple multiplier.
Inverse relationship: `L/100km = 235.21 / mpg (US)` and `L/100km = 282.48 / mpg (UK)`. `km/L = 100 / L/100km`.
1 mpg (US) ≈ 0.4251 km/L
mpg (US) to km/L conversion table
| Miles per Gallon (US)s (mpg (US)) | Kilometers per Liters (km/L) |
|---|---|
| 1 mpg (US) | 0.4251 km/L |
| 2 mpg (US) | 0.8503 km/L |
| 5 mpg (US) | 2.1257 km/L |
| 10 mpg (US) | 4.2514 km/L |
| 25 mpg (US) | 10.6286 km/L |
| 50 mpg (US) | 21.2572 km/L |
| 100 mpg (US) | 42.5144 km/L |
| 250 mpg (US) | 106.2859 km/L |
| 500 mpg (US) | 212.5719 km/L |
| 1000 mpg (US) | 425.1437 km/L |
Other miles per gallon (us) conversions
Convert to kilometers per liter from another unit
mpg (US) to km/L — frequently asked
How many Kilometers per Liters are in 1 miles per gallon (us)?
1 miles per gallon (us) = 0.4251 Kilometers per Liters.
What is the formula to convert miles per gallon (us) to kilometers per liter?
Inverse relationship: `L/100km = 235.21 / mpg (US)` and `L/100km = 282.48 / mpg (UK)`. `km/L = 100 / L/100km`.
How do I convert 10 Miles per Gallon (US)s to Kilometers per Liters?
10 mpg (US) = 4.2514 km/L. For 100 mpg (US) the answer is 42.5144 km/L. Use the calculator on this page for any other value.
When to convert miles per gallon (us) to kilometers per liter
Fuel Economy conversion — common questions
Why is mpg not just a linear conversion?
Because mpg is distance per fuel, while L/100km is fuel per distance — they are reciprocals of each other after unit conversion.
Is 30 mpg good?
30 mpg (US) ≈ 7.84 L/100km — middling for a modern petrol car. Hybrids commonly hit 40–55 mpg (4.3–5.9 L/100km).