litre
Non-SI unit accepted for use with SI
| Name | Symbol | Quantity | SI units |
| litre | L, l | volume | 10-3 m3 |
The litre, symbol L or l, is a non-SI unit of volume accepted for use with the SI.
One litre is equal to one cubic decimetre, symbol dm3, or 10−3 m3. |
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| Definition | c3 ΔνCs-3 | ||
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For everyday use, one litre of water has a mass of one kilogram.

SI prefixes can be used with the litre; one millilitre is equal to one cubic centimetre, and one kilolitre is equal to one cubic metre.
| 1000 nL | = 1 µL | = 1 mm3 |
| 1000 µL | = 1 mL | = 1 cm3 |
| 1000 mL | = 1 L | = 1 dm3 |
| 1000 L | = 1 kL | = 1 m3 |
| 1000 kL | = 1 ML | = 1 dam3 |
| 1000 ML | = 1 GL | = 1 hm3 |
| 1000 GL | = 1 TL | = 1 km3 |


The litre, symbol L or l, is a non-SI unit of volume accepted for use with the SI.
