Use the Arrange Dimensions command 
to automatically group, select, and arrange linear dimensions so they don’t overlap drawing view geometry and annotations.
Note:
Arrange Dimensions is only available in the Draft environment.
Only linear dimension types are automatically arranged.
Symmetric diameter dimensions are aligned, but not include in the alignment set.
Coordinate, angular coordinate, radial, diameter, and chamfer dimensions are not automatically arranged.
Symmetric diameter dimensions are arranged before linear dimensions
Note:
Symmetric diameter dimensions (A) are aligned, but they are not included in alignment sets like linear dimensions. In drawings with linear and symmetric diameter dimensions, symmetric diameter dimensions are arranged first.
Dimensions are pushed away from the center range of the drawing view and are parallel to the dimension line
Non-overlapping dimensions are aligned together
Overlapping dimensions are stacked
Note:
Where dimension lines overlap drawing view geometry, annotations, or dimension values, the Arrange Dimension command stacks the dimension lines based on the default stack pitch. Where necessary, the default stack pitch is increased to avoid overlapping. To adjust the stack distance, edit the stack pitch values in Dimension Styles.
Where stacked dimensions with dimension values centered on dimension lines overlap, the Arrange Dimension command staggers the dimension values.
Stacked dimensions are arranged from smallest to largest
Dimensions connected to the drawing view are offset based on the range of the drawing view geometry as a whole
Note:
The stack pitch value (A) is defined on the command bar.
Stack pitch distance for dimensions connected to 2D geometry are offset based only on the selected dimensions.
Note:
The stack pitch value (A) is defined on the command bar.
Dimensions are pushed above project lines.
Non-overlapping dimensions are chained
Overlapping dimensions are stacked
Stacked dimensions are arranged smallest to largest
Dimensions connected to a drawing view or 2D geometry are offset based on the range of the drawing view geometry as a whole
Note:
The stack pitch value (A) is defined on the command bar.
Arrange dimensions automatically in a drawing
Maintain Alignment Set
Break Alignment Set
Split Alignment Set
Remove from Alignment Set
Arrange Dimensions command bar