Fuel economy converter (L/100 km ↔ mpg)
Compare the fuel economy of American, British or European cars.
How it works
km/L = 100 / (L/100 km). US mpg = 235.215 / (L/100 km). UK mpg = 282.481 / (L/100 km). The higher the mpg, the more economical the car.
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Value6.5
- FromLitres per 100 km (L/100 km)
- ToMiles per US gallon (mpg)
you get:
- Result36.19 mpg (US)
- L/100 km6.5
- km/L15.38
- mpg (UK)43.46
Frequently asked questions
How does the “Fuel economy converter” tool work?
km/L = 100 / (L/100 km). US mpg = 235.215 / (L/100 km). UK mpg = 282.481 / (L/100 km). The higher the mpg, the more economical the car.
What do I need to enter?
Just fill in: value, from, to. The result updates as you type.
Can you give an example?
Value: 6.5; From: Litres per 100 km (L/100 km); To: Miles per US gallon (mpg) → Result: 36.19 mpg (US); L/100 km: 6.5.
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.