Gas Mileage Calculator
Calculate your fuel economy in MPG, cost per mile, and annual fuel costs. Convert between MPG, L/100km, and km/L.
InputsLive
miles
gal
$/gal
Results
Miles per Gallon
29.17 MPG
Cost per Mile$0.12
Trip Fuel Cost$42.00
Monthly Fuel Cost$120.00
Annual Fuel Cost$1,440.00
L/100km8.06
km/L12.4
How to Use This Calculator
- Enter the Distance Driven in miles for a recent trip.
- Enter the Gallons Used from your fill-up receipt.
- Set the current Gas Price per gallon.
- Optionally enter your Annual Driving miles to see projected monthly and annual fuel costs.
- Review the Miles per Gallon (MPG) result and metric equivalents (L/100km and km/L).
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