Full name: liter
Plural form: liters
Alternate spelling: litres
Category type: volume
Scale factor: 0.001
The SI derived unit for volume is the cubic meter.
1 cubic meter is equal to 1000 liters.
Valid units must be of the volume type.
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The litre (spelled liter in American English and German) is a metric unit of volume. The litre is not an SI unit, but (along with units such as hours and days) is listed as one of the "units outside the SI that are accepted for use with the SI." The SI unit of volume is the cubic metre (m³).