Displays a glyph at the location of the Center of Mass for the selected object or objects. You can measure from the Center of Mass to other objects in your design.
Design > Inspect > Center of Mass
The Center of Mass is also associative, so if you change the geometry of your model, the Center of Mass will update accordingly. Keep in mind that Center of Mass is an Analysis type, so you can turn it and off under the Analysis folder in the browser - see the description below.
Hide the center of mass to exclude it from other model calculations.
You can measure the distance from the center of mass to other objects in your design - edges, faces, other center of mass, for example. Click Measure from the Inspect drop-down, and select the desired objects to measure their distance.