CALCULATOR · FREE免费 · Free
MPG Calculator
MPG is miles divided by gallons. The US uses MPG while China and Europe often use liters per 100 km; mind the units. The most accurate method is miles between two full tanks.
--MPG · mpg
--Gal / 100mi · gal
--Fuel / mile · $/mi
Estimates only; verify on site before ordering or building.
Example
| Item | Value | Unit |
|---|---|---|
| Miles driven | 300 | mi |
| Gallons used | 10 | gal |
| Fuel price | 3.5 | $/gal |
| MPG | 30 | mpg |
| Gal / 100mi | 3.33 | gal |
| Fuel / mile | 0.117 | $/mi |
Where people go wrong
- Dividing gallons by miles.
- Treating L/100km as MPG.
- Not filling the tank both times.
FAQ
How do I convert MPG and L/100km?
L/100km = 235.215 divided by MPG; MPG = 235.215 divided by L/100km.
How much does city vs highway differ?
It depends on the vehicle; highway is usually higher, and hybrids differ less.