Drawing dimensions and notes display values in the primary measurement units specified in the dimension style or in the part file. If appropriate, set dimensions and notes to display dimension values also in alternate units.
Dimensions and notes can display values both in primary and in alternate measurement units. You select the display options to control the appearance of dual dimensions.
Open a drawing.
Click Manage tab Styles and Standards panel
Styles Editor.
Expand the Dimension styles list and click the dimension style to edit.
On Alternate Units tab, specify the setting for alternate units: Specify the measurement units, dimension formatting, and display. Then select each type of annotation (Dimensions, Hole Notes, Chamfer Notes, Bend Notes, and Punch Notes) and specify the appearance of the dual format.
Click Save to save the change, and Done to close the dialog box.
Open a drawing.
Click Manage tab Styles and Standards panel
Styles Editor.
Expand the Dimension styles list and click the dimension style to edit.
On Notes and Leaders tab, select Hole Note, Bend Note, or Punch Note Setting.
Select Part Units to display values in units specified in the part file. Clear the Parts Units check box to use units specified on the Units tab of the dimension style.
Click Save to save the change, and Done to close the dialog box.