Summary
Convert US MPG, L/100 km, and km/L fuel-economy figures.
Calculation details
US gallons are used for MPG. Zero cannot convert between inverse units.
Formula
L/100km = 235.214583… / US mpg; km/L = 100 / (L/100km).
Worked example
Worked conversion
25 US mpg is about 9.41 L/100km.
How it works
Enter a fuel-economy figure and choose units. MPG uses US gallons; zero values cannot invert.
Frequently asked questions
Does the calculation round the input?
No. The converter retains raw JavaScript numeric precision and delegates visible rounding to the existing display formatter.
Which unit definitions are used?
US mpg uses the US gallon. Inverse units cannot convert a zero value.