Liters per 100 kilometers to US gallons per 100 miles
Type a value in liters per 100 kilometers to see it in US gallons per 100 miles straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the liters per 100 kilometers box.
- Read the result in US gallons per 100 miles as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
gal (US)/100 mi = L/100 km × 0.4251437074
Multiply the value in liters per 100 kilometers by 0.4251437074 to get US gallons per 100 miles.
Example
To convert 25 L/100 km to US gallons per 100 miles: 25 × 0.4251437074 = 10.6286 gal (US)/100 mi.
Conversion table
| Liters per 100 kilometers (L/100 km) | US gallons per 100 miles (gal (US)/100 mi) |
|---|---|
| 1 | 0.425144 |
| 2 | 0.850287 |
| 3 | 1.27543 |
| 5 | 2.12572 |
| 10 | 4.25144 |
| 20 | 8.50287 |
| 25 | 10.6286 |
| 50 | 21.2572 |
| 100 | 42.5144 |
| 250 | 106.286 |
| 500 | 212.572 |
| 1,000 | 425.144 |
About the units
- Liter per 100 kilometers
- Liters of fuel used to travel 100 kilometers, so a lower number means better economy. It equals 100 divided by km/L.
- US gallon per 100 miles
- US gallons used to travel 100 miles, shown on US fuel economy labels. It equals 100 divided by US mpg.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many US gallons per 100 miles are in one liter per 100 kilometers?
1 L/100 km = 0.425144 gal (US)/100 mi exactly.
How do I convert liters per 100 kilometers to US gallons per 100 miles?
Use gal (US)/100 mi = L/100 km × 0.4251437074. For example, 25 L/100 km = 10.6286 gal (US)/100 mi.
How many liters per 100 kilometers are in one US gallon per 100 miles?
1 gal (US)/100 mi = 2.35215 L/100 km.
Why is mpg to L/100 km not a simple multiplication?
The units are reciprocal: one is distance per fuel, the other fuel per distance. You divide about 235.215 by the US mpg value, so 30 mpg is about 7.84 L/100 km.
Why do US and UK mpg differ?
The imperial gallon is 4.54609 L and the US gallon is 3.785411784 L, so the same car shows about 20% more miles per gallon in UK figures.