What is "liter"?

A liter is a unit of volume in the metric system, commonly used to measure liquids and gases. The liter is abbreviated as "L" and is the standard unit for measuring volume in most countries that use the metric system. One liter of water at its maximum density weighs approximately one kilogram, making it a convenient unit for measuring both volume and mass. Liters are commonly used for measuring the volume of beverages, containers, and other liquids, as well as for expressing quantities in various industries, such as chemistry, engineering, and manufacturing.