---
title: "Units of Measure"
canonical: "https://kb.myframeworks.com.au/space/PROSTIXV48DOC/31102254/Units%20of%20Measure"
format: markdown
---
This process explains how to view the UOMs for the selected product, modify the Reporting UOM and add GTINs/alternate UOMs. To change the Stocking or Purchasing UOMs, refer to  Change the Stocking UOM  and  Change the Purchasing UOM . Also refer to  Global Trade Identification Numbers  for further information. To add a GTIN (or alternate UOM) perform the following: 1. From the  ProStix   Main Menu  select  'Inventory Management'  then  'Product Maintenance'  then  'Select Product' ,   then  after selecting the product, choose  'More Data'  then  'Units of Measure' .  2. Select <F6> (Add). Refer to the 'Add GTIN' collapsible link below for an explanation of these options: 3. When you have finished making your changes, select <F1> to save them.