Correct convention
Consumption and economy units are reciprocal, so zero may not have a finite result.
Fuel Economy Converter for MPG and L/100 km
Convert reciprocal fuel consumption and economy units with distinct US and imperial MPG.
Local conversion with no external APIs or value storage.
Converted value
Conversion table
| Unit | Converted value |
|---|---|
| Liters per 100 kilometers (L/100 km) | 1 |
| Liters per kilometer (L/km) | 0.01 |
| Kilometers per liter (km/L) | 100 |
| Miles per US gallon (mpg US) | 235.214583 |
| Miles per imperial gallon (mpg Imp) | 282.480936 |
| US gallons per 100 miles (US gal/100 mi) | 0.42514370803 |
The conversion runs locally. Values are not sent to servers, stored by default or processed through external APIs.
How to use this converter
- 1
Enter a valid numeric value.
- 2
Choose the source and destination units.
- 3
Adjust precision, then copy or review equivalents.
Precise, private conversion
Important distinctions
US MPG and imperial MPG remain distinct because the gallons have different volumes.
Local calculation
Values remain in the browser and are not stored by default.
Frequently asked questions
How is the conversion calculated?
Consumption and economy units are reciprocal, so zero may not have a finite result.
What important distinction should I consider?
US MPG and imperial MPG remain distinct because the gallons have different volumes.
Are conversions exact?
Defined factors are exact where an exact definition exists; display may be rounded to the selected precision.
Are my values sent or stored?
No. Everything is calculated locally without external APIs or default storage.