Gas Mileage Calculator
Calculate your vehicle's fuel economy.
Result
Results are estimates for general information only and are not professional advice.
Fuel economy
Fuel economy tells you how efficiently your car uses fuel. From distance travelled and fuel used, this calculator returns kilometers per liter, liters per 100 km and miles per gallon.
Frequently Asked Questions
What is the Gas Mileage Calculator?
Calculate your vehicle's fuel economy. It runs instantly in your browser and is completely free to use.
What do I need to enter to use the Gas Mileage Calculator?
The Gas Mileage Calculator asks for the following values (2): Distance (km), Fuel used (L). Fill them in and the result appears immediately — the calculation runs on your own device, so nothing you type is sent to a server.
How accurate is the Gas Mileage Calculator?
The Gas Mileage Calculator uses standard, widely-accepted formulas, so its figures are reliable estimates for everyday planning. They are not a substitute for advice from a qualified professional.
Is the Gas Mileage Calculator free, and do I need an account?
Yes. The Gas Mileage Calculator — and every other calculator on Calculatis — is completely free, with no registration, no download and no limit on how often you use it.