Diametrical dimensioning outside circle/arc

The External Diametrical mode measures and dimensions the diameter of a circle or arc, and places the dimension outside the object.

To create a diameter dimension outside of a circle or arc:

Click the tool and mode, and then select a Standard (dimension standard) and the Units.

From the Tool bar, click either Right-Hand Shoulder mode or Left-Hand Shoulder mode to specify where to place the measurement.

Click on or within the arc or circle to dimension.

Move the cursor to preview the dimension line location.

Click to place the dimension.

Radial dimensioning

Editing dimensions