Is there a way to calculate the roundness of a polygon?
There is an interesting discussion here: vector - Calculating roundness/compactness of polygon? - Geographic Information Systems Stack Exchange and some more background here: Roundness (object) - Wikipedia .
Is that what you are looking for?
'circularity' various definitions: aka roundness
You can calculate some of the volume properties using
Bounding Containers ArcMap has an equivalent toolset (ie convex hull, MABE, aligned rectangle, minimum area circle)
Minimum Area Bounding Ellipse
Concave Hull The ratio of the convex hull to the concave hull is often a measure of container tortuosity.
An example of what you get when you execute this field calculation using the Python parser:
<SPAN class="number token">4</SPAN> <SPAN class="operator token">*</SPAN> math<SPAN class="punctuation token">.</SPAN>pi <SPAN class="operator token">*</SPAN> !SHAPE_Area! <SPAN class="operator token">/</SPAN> !SHAPE_Length!<SPAN class="operator token">**</SPAN><SPAN class="number token">2</SPAN><SPAN class="line-numbers-rows"><SPAN></SPAN></SPAN>
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