https://community.graphisoft.com/t5/Modeling/New-user-Grid-setup/m-p/202956#M109925 &gt;Options &gt;Project Preferences&gt; Working Units, change model and layout units.<BR /> <BR /> Snap<BR /> <BR /> Boilerplate: Please go to your profile, in the signature block, indicate your version of AC, operating system. Wed, 08 Sep 2010 22:02:16 GMT Anonymous 2010-09-08T22:02:16Z https://community.graphisoft.com/t5/Modeling/New-user-Grid-setup/m-p/202955#M109924 <DIV class="actalk-migrated-content"><T>how do I change the grid options from feet to millimeters? I tried going to view&gt; grid options&gt; grids and backgrounds but it always defaults back to feet. Thank you in advance for any help and I'm excited to learn this program.</T></DIV> Wed, 08 Sep 2010 21:05:29 GMT https://community.graphisoft.com/t5/Modeling/New-user-Grid-setup/m-p/202955#M109924 Anonymous 2010-09-08T21:05:29Z https://community.graphisoft.com/t5/Modeling/New-user-Grid-setup/m-p/202956#M109925 &gt;Options &gt;Project Preferences&gt; Working Units, change model and layout units.<BR /> <BR /> Snap<BR /> <BR /> Boilerplate: Please go to your profile, in the signature block, indicate your version of AC, operating system. Wed, 08 Sep 2010 22:02:16 GMT https://community.graphisoft.com/t5/Modeling/New-user-Grid-setup/m-p/202956#M109925 Anonymous 2010-09-08T22:02:16Z