Fuel Consumption Calculator
Real consumption from a tankful, in L/100 km, km/L and both kinds of mpg.
Results
Consumption
6.694
L/100 km
Consumption
14.940
km/L
Consumption
35.14
mpg (US)
Consumption
42.20
mpg (UK)
What this tool does
The honest way to measure consumption is brim to brim: fill the tank, drive, fill it again and record the litres and the kilometres. On-board computers are often optimistic by a few percent, and this is how you find out by how much.
Formula
L/100 km = litres ÷ km × 100
Variables
| Symbol | Meaning | Unit |
|---|---|---|
d | Distance | km |
l | Fuel used | L |
C | Consumption | L/100 km |
KL | Consumption | km/L |
MG | Consumption | mpg (US) |
MU | Consumption | mpg (UK) |
Worked example
- Distance620 km
- Fuel used41.5 L
- Consumption6.694 L/100 km
- Consumption14.940 km/L
- Consumption35.14 mpg (US)
- Consumption42.20 mpg (UK)
Limitations
- The result is an estimate based only on the values you type. Real situations often include factors this calculator does not know about.
- US and imperial (UK) units with the same name are not the same size. Check which system your figures come from.