Calculate vehicle fuel economy from distance traveled and fuel used.
Formulas
km/L = distance ÷ liters. L/100 km = liters ÷ distance × 100. MPG conversions use 1 mile = 1.609344 km, 1 US gallon = 3.785411784 L and 1 Imperial gallon = 4.54609 L.
Example: 500 km using 35 L = 14.29 km/L and 7.00 L/100 km.
Scope
This calculates observed average fuel economy from the values entered; it does not predict future consumption.