# Liter to Cubic inch Converter

## Liter

*What is liter?*

In the past, liter was defined as the volume of one kilogram of pure water at 4 °C. Nowadays, liter is an important unit of volume used in the metric system which is equal to one cubic decimeter.

In other words, a cubic with 10 cm sides, has a volume of one liter. “L” is the symbol of liter. Liter has a french origin as it was derived from the french unit “Litron”.

Liter is widely used, however, the cubic meter is the main SI unit of volume.