Auto
MPG / L/100km
Convert between miles-per-gallon and liters-per-100km.
Inputs
MPG / L/100km
Result
MPG (US)
30
- MPG (Imperial)
- 36.03
- L/100km
- 7.84
Track real-world economy
Fill up, reset the trip odometer, drive normally, and on the next fill compute miles driven ÷ gallons added. Repeat over several tanks to smooth out driving variability. Sudden drops in MPG often flag tire pressure, air filters, or spark plugs.
Turn MPG into money and time
Budget a road trip with the Fuel Cost Calculator; estimate arrival with the Trip Time Calculator.