Fuel Economy
Litres per 100 km
Fuel per distance is the reciprocal of distance per fuel, scaled to 100 kilometres.
The Formula
L/100km = 100 / (km per litre)
Fuel per distance is the reciprocal of distance per fuel, scaled to 100 kilometres.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| kmpL | Kilometres per litre | number | Economy as distance per fuel. |
| l100 | Litres per 100 km | number | The same economy as fuel per distance. |
What Each Symbol Means
kmpLnumber
Kilometres per litre
Economy as distance per fuel.
l100number
Litres per 100 km
The same economy as fuel per distance.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to convert fuel economy page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Convert Fuel Economy, filed under Unit Conversion. Every number the guide produces comes from substituting into this one line.