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.
Related calculators
Auto
Fuel Cost Calculator
Cost of fuel for a trip based on distance, efficiency, and price.
Auto
Trip Time
How long a trip will take at a steady speed.
Auto
Tire Size Calculator
Overall diameter, sidewall height, circumference and revolutions per mile from a metric tire spec (e.g. 225/45R17).
Auto
Gear Ratio Calculator
Gear ratio from driven and drive tooth counts, output RPM, and torque multiplication.