Unit of measurement of capacity equal to one-thousandth of a litre.

### Notations

- The symbol for millilitre is “ml” which represents “millilitre.”
- The symbol for microlitre is “μl” which represents “microlitre.”
- One litre is equal to 1000 millilitres and we write: 1 L = 1000 ml.
- One millilitre is equal to 1000 microlitres and we write: 1 ml = 1000 μl.
- One millilitre corresponds to one cubic centimetre and we write: 1 ml = 1 cm\({^3}\).
- One microlitre corresponds to one cubic millimetre and we write:1 μl = 1 mm\({^3}\).