Fuel Economy
Fuel usage, miles per gallon and trip cost.
Fuel usage, miles per gallon and trip cost.
Fuel usage, miles per gallon and trip cost. Fill in the fields above and the result updates instantly, together with the formula behind it.
L/100 km = liters used ÷ km traveled × 100; US mpg = miles ÷ US gallons
42 liters over 600 km is 7 L/100 km, about 33.6 US mpg.
US and Imperial gallons differ. This calculator uses US gallons.
L/100 km = liters used ÷ km traveled × 100; US mpg = miles ÷ US gallons. Example: 42 liters over 600 km is 7 L/100 km, about 33.6 US mpg.
You enter: Distance; Distance unit; Fuel used; Fuel unit; Cost per liter. An example value is shown in each empty field, and the result appears as soon as the numbers are valid.
They measure fuel economy in opposite directions: lower L/100 km is better, higher mpg is better. 7 L/100 km is about 33.6 US mpg. Note that US and UK gallons differ in size.
Yes. Use Copy to copy the result or full example. Share creates a link that puts your chosen values into the URL fragment so another person can reproduce the calculation. Your named saves and recent history stay in your own browser.