This content has been marked as final. Show 2 replies
You need to open your part/assy/dwg templates (.prtdot, .asmdot, .drwdot) and change the unit preferences. Tools>Options>Document Properties>Units.
You can do as Mahir stated or you can create a new document, set your preferences as you want (units, tolerances, ect.) and "save as" a template file.