Choose Item Management > Items in the Navigation Pane. Select the item.
Choose vertical tab General > sub tab Dimensions.
Enter the below properties for the item.
Width, Depth, Height, Volume and Gross Weight: enter the value, and select the Uom
Cubics, the space in cubics that 1 unit of the item takes up. This can be set relating to the available space in cubics at a location, for example if an item with a volume of 1 cubic is stored in bulk at a location with an available space of 5 cubics, this means that normally 5 units of this item can be stored at this location.
Volumetrics settings are possible if the module Advanced Picking Management is present.