# BOM Management

## How to Change Unit and Quantity for a BOM Position

| ### What to do:
| To work through this example, you must first complete the example Define Unit Conversion. Item Management
| Select Start > Item. The Item mask is opened.
| Search for ART-1000 Ball Pen.
| Select the BOM tab.
| Highlight ART-1200 Ornamental Ring.
| To change to edit mode click .
| Enter 5 in the Quantity field .
| Select kg in the Unit field.
| To save the entry click .
| Based on the conversion factor, the entry in the Quantity field is updated.
| For information on how to change the unit conversion for an item master, please refer to the topic "Define Unit Conversion" of the Item Management documentation!