A unit of measure for concentration of mass.
- iOS 10.0+
- macOS 10.12+
- Mac Catalyst 13.0+
- tvOS 10.0+
- watchOS 3.0+
You typically use instances of
NSUnit to represent specific quantities of concentration using the
Concentration of Mass
Concentration is the abundance of a constituent within a volume. Concentration can be expressed by SI derived units in terms of kilograms per cubic meter (kg/m3).
NSUnit class defines its base unit as
grams, and provides the following units, which are initialized using
NSUnit converters with the specified coefficients: