a metric unit of capacity, formerly defined as the volume of one kilogram of pure water under standard conditions; now equal to 1,000 cubic centimeters (or approximately 1.75 pints)
The bottle can hold a liter of beer.
This is the change formula between Galon and Liter.
I was so thirsty that I drank a liter of iced tea.
My car does 20 kilometers to 1 liter.