Change the appearance of absolute dimensions

You can select whether to show zero at the zero point of the absolute dimensions, and also change the orientation of the absolute dimensions.

On the File menu, click Settings > Options , and go to the Drawing dimensions settings.
Set Show zero in absolute dimensions to No if you do not want to show zero at the zero points in absolute dimensions.
Yes is the default value.
Set Draw absolute dimension values parallel to dimension line to Yes to show dimensions parallel to dimension lines in absolute dimensions.
No is the default value.
Click OK.

Example

In the following example, dimensions are parallel to the dimension lineline that visualizes the distance between the defined dimension points

Separate dimensions can be combined into a longer dimension line.

and zero is shown at the zero point.