* Metric:

* Milliliter (mL): A common unit for smaller volumes.

* Liter (L): A unit for larger volumes.

* Imperial:

* Fluid ounce (fl oz): A common unit in the United States.

* Pint (pt): A unit for larger volumes.

* Quart (qt): A unit for larger volumes.

* Gallon (gal): A unit for the largest volumes.

Other less common units include:

* Cubic meter (m³): A unit used for very large volumes.

* Cubic centimeter (cm³): A unit used for very small volumes.

The unit used depends on the context and the size of the volume being measured.