Dimension Units

Default Dimension Unit When Creating an Annotation Set
  The default dimension unit is defined by the standard default numerical formats for length and angle, see Tolerancing option for standard selection:

  1. Select Tools > Standards...

  1. In the Standards Definition dialog box, select Drafting category and the Standard_Name.xml file according to the selected standard.

  1. Select Standard > Standard_Name > Styles > Length/Distance Dimension > Default > Value Display Format > Main Value > Name to see the default length format for the selected standard
    and/or
    select Standard > Standard_Name > Styles > Angle Dimension > Default > Value Display Format > Main Value > Name to see the default angle format for the selected standard.
  If no standard has been defined, the dimension unit is set by the Length unit in the
Tools > Options > General > Parameters and Measure, Units tab.
 

Modifying the Default Dimensions Unit
  To modify default dimensions unit you can:
 
  • Set the Numerical Display Description combo unit in the Numerical Properties Toolbar.
  • Set the Length (or Angle) unit in the Tools > Options > General > Parameters and Measure, Units tab, in this case the Numerical Display Description combo is updated according to the Length (or Angle) unit.