https://forums.autodesk.com/t5/inventor-forum/setting-the-unit-type-from-cm-to-mm/m-p/5749947#M366275 <P>Also, if you want to change your Part or Assembly template so you don't have to do this for each new document, you can determine the location of your templates by going here:</P><P>&nbsp;</P><P><IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/181152iA3FFF26EBE45E43C/image-size/original?v=mpbl-1&amp;px=-1" border="0" alt="Templates Location.jpg" title="Templates Location.jpg" /></P><P>&nbsp;</P><P>Then just open the template type you want to change and change the document units as I described above.</P> Thu, 30 Jul 2015 14:34:41 GMT DRoam 2015-07-30T14:34:41Z