Assuming density as being mass per unit of volume,
the International System (SI) unit (which adopts the metric system) for it would be:
Kg / m^3 (Kilogram per cubic meter)
Most of the common units though refer to 1000 times less the SI unit such as:
Kg/L
g/mL
Density can also be used as relative density, in such case it is dimensionless. It is represented as a fraction between the absolute density and the density of some standard (usually water)
Due to the water density being 1Kg/L, relative density will most of the times show the exact same numerical value but without any units.
the International System (SI) unit (which adopts the metric system) for it would be:
Kg / m^3 (Kilogram per cubic meter)
Most of the common units though refer to 1000 times less the SI unit such as:
Kg/L
g/mL
Density can also be used as relative density, in such case it is dimensionless. It is represented as a fraction between the absolute density and the density of some standard (usually water)
Due to the water density being 1Kg/L, relative density will most of the times show the exact same numerical value but without any units.
