⇌Free
Fuel economy converter
Convert fuel consumption and economy; US and imperial gallons are distinct.
L/100 km and km/L are reciprocals linked by 100: a consumption of five L/100 km equals 20 km/L. MPG conversions separately use US and imperial gallons, which have different volumes.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Positive value: 5 From unit: L100km To unit: kmL
Example result
{
"value": 20,
"unit": "kmL"
}Limitations and details
The input must be strictly positive; zero or negative values are rejected and the result does not predict a vehicle’s real fuel use.
Inputs and options
- Positive value
- Number
- From unit
- Liters per 100 km / Kilometers per liter / Miles per US gallon / Miles per imperial gallon
- To unit
- Liters per 100 km / Kilometers per liter / Miles per US gallon / Miles per imperial gallon
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.