Gas Mileage Calculator
Calculate fuel economy in MPG or L/100km from miles driven and gallons used. Track and improve your vehicle's efficiency.
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What this calculator does
Gas Mileage Calculator helps you quickly estimate calculate fuel economy in mpg or l/100km from miles driven and gallons used. track and improve your vehicle's efficiency. with clean output and clear next steps.
How the calculation works
Enter Miles Driven, Gallons Used, Gas Price (per gallon) and this calculator uses standard formulas to determine Fuel Economy (MPG) and L/100km. The output is displayed immediately in a user-friendly format.
Example calculation
For example, enter realistic values into the Gas Mileage Calculator to see how the calculator produces Fuel Economy (MPG) and L/100km that you can use for planning and comparison.
Disclaimer
The calculations provided by this website are for informational purposes only and should not be considered financial, legal, tax, or professional advice.
Frequently Asked Questions
What is average gas mileage for cars?
Average US car MPG is about 28 MPG (2023). SUVs average 25 MPG. New EVs have an equivalent of 80-120 MPGe.