The length format style reference appears with dimension text length units in the default settings. Double-click the format value to display the format style reference window. Here you can choose a format style or create a new one, setting such values as:
To change dimension text (format style) settings,
1. Click File > Settings > Dimension > Dim Text Settings. The Default Settings browser (table) opens with Text (under Dimension) settings.
2. Double-click Length Unit Style or Angle Unit Style. The respective table opens with the several column heads. Some of the column heads are: