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Gas Mileage Calculator
Miles per gallon (and L/100 km) from distance and fuel used.
Free to use — no sign-up or login.
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MPG
mpg
L/100 km
This free Gas Mileage Calculator covers Miles per gallon (and L/100 km) from distance and fuel used.
Fuel economy is distance driven divided by fuel consumed. Related other tools sit beside How it works, with no account required.
Using the Gas Mileage Calculator
Miles per gallon (and L/100 km) from distance and fuel used. Typical inputs are Distance (miles) and Fuel used (gallons). How it works beside the form states the identity the Gas Mileage Calculator applies.
FAQ
How do I use the Gas Mileage Calculator?
Open the Gas Mileage Calculator, fill Distance (miles) and Fuel used (gallons), and read the result. MPG = distance / gallons; L/100 km ≈ 235.215 / MPG.
What formula does the Gas Mileage Calculator use?
The Gas Mileage Calculator uses the identity in How it works. In words: MPG = distance / gallons; L/100 km ≈ 235.215 / MPG.