MPG Calculator — Formula
## How to Calculate MPG
Divide the total miles driven by the gallons of fuel consumed.
### Formula
**MPG = Miles Driven / Gallons Used**
### Conversion to L/100km
**L/100km = 235.215 / MPG**
Divide the total miles driven by the gallons of fuel consumed.
### Formula
**MPG = Miles Driven / Gallons Used**
### Conversion to L/100km
**L/100km = 235.215 / MPG**
Exemplo Resolvido
You drove 350 miles and used 12.5 gallons.
- MPG = 350 / 12.5 = 28.0 MPG
- L/100km = 235.215 / 28.0 = 8.4 L/100km
- Fuel cost per 100 miles = 100/28 x $3.50 = $12.50