To Change the Precision of a Fit or Tolerance (AutoCAD Mechanical Toolset)

1. In the drawing area, select the dimensions you want to edit. The Power Dimensioning Ribbon Contextual Tab displays.
2. To change the precision of the tolerance of primary units, specify the number of digits to round off to, in the box adjacent to Power Dimensioning tabFit/Tolerance slideout panelPrimaryPrimary. Find
3. To change the precision of the tolerance of alternate units, specify the number of digits to round off to in the box adjacent to Power Dimensioning tabFit/Tolerance slideout panelAlternate. Find