The secondary unit of measure (UOM) is an additional unit used to quantify goods or services, complementing the primary unit of measure. The primary UOM is typically the main unit used for inventory, purchasing, and sales transactions, while the secondary UOM provides an alternative way to handle and track the same goods in a different format or measurement scale.
To implement secondary UOMs, ERP systems use conversion factors to link the primary and secondary UOMs. For example, if 1 box = 10 pieces