How Units of Measure, Unit of Measure Classes, and Base Units of Measure Relate to Each Other

Units of measure, unit of measure classes, and base units of measure are used for tracking, moving, storing, and counting items.

Relationship between a unit of measure class and its units of measure, one of which is defined as the base unit of measure

Units of Measure Classes

Units of measure classes represent groups of units of measure with similar characteristics such as area, weight, or volume.

Units of Measure

Units of measure are used by a variety of functions and transactions to express the quantity of items. Each unit of measure you define must belong to a unit of measure class.

Base Units of Measure

Each unit of measure class has a base unit of measure. The base unit of measure is used to perform conversions between units of measure in the class. The base unit of measure should be representative of the other units of measure in the class, and must be the smallest unit. For example, you could use cubic inches as the base unit of measure for a unit of measure class called volume.