Edit the Dimension Precision
Select a dimension, and then the precision from the list on the mini toolbar.

Edit the precision of several dimensions at a time as follows:
- Select the dimensions in the drawing (Ctrl+left mouse button).
- Select the context-sensitive function  Properties. Properties.
- Edit the properties on the Text tab of the Properties dialog box. - Select Precision. Defines the dimensioning precision, the decimal precision of the dimension.
- Select Inch conv.. Defines the precision of the inch conversion.
 
- Select OK.
