If the product has more than one unit of measure (for example, unit and box), then you will need to choose the base unit of measure for it.
Base Unit. The base unit is usually
the smallest or most widely used unit of measure. If the company is connected to QuickBooks Online, the base unit has to be the one, that is used in QuickBooks to count that item.
Then you can to add up to 10 related units.
Related Unit. A related unit is defined by the number of base units it contains. For example, if the base unit is a pound, a related unit might be metric ton, which contains 2204.62 pounds. Another related unit might be kilogram or ounce.
In HandiFox Online, related
units make it possible to show quantities of the same product or service in different
measurements on different transactions and inventory movements. Moreover, you can switch from one unit to another while creating/editing a transaction. For example, you purchase a product called "Pen" from a supplier by packages which contain 500 pens, but sell it in eaches and boxes (50 pens). This case the base unit is 'each' and related units are 'package' (ratio 500) and 'box' (ratio 50).
While creating of edit a transaction you can change a unit of measure for an item by clicking on the unit of measure abbreviation next to the Quantity field and choosing another unit in the pop up window. If the unit of measure is changed, then the Quantity and Rate fields will be changed accordingly.