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Fuel Economy Converter
Convert L/100 km, km/L, and miles per US or imperial gallon.
- L/100 km
- 8
- km/L
- 12.5
- mpg US
- 29.401823
- mpg UK
- 35.310117
How the calculation works
L/100 km = 100/(km/L) = 235.214583/(mpg US) = 282.480936/(mpg UK).
Inputs
- Value
- Source unit
Calculation details
A US gallon is 3.785411784 L; an imperial gallon is 4.54609 L.
All values must be positive: zero consumption cannot be converted to a finite mpg value.
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Updated: 2026-10-02