solidworks, troubleshooting How to Change document Units to Metrics by Cad Tutor • April 28, 2012 • 0 Comments We might have to change the units of the solidworks part document from one SYSTEM to another. To do this go to options then click on document properties tab and click on units menu as shown Now select the system you want to you want. 4.00 avg. rating (83% score) - 1 vote