Measure Volume

(3D only) Used to measure the volume enclosed by an element or a set of elements and to analyze mass properties. The element(s) must completely enclose a volume; if a volume is not enclosed, a message appears in the status bar.

You can access this tool from the following:

Ribbon: Drawing > Analyze > Measure
Toolbox: Measure

Setting	Description
Mass Properties	If on, the Mass Properties window displays the mass property analysis for the measured volume.
Display Center Of Mass	If on, a graphic crosshair that represents the center of mass for the measured element(s) is displayed.
Volume Unit	Sets the units used to display the last volume measured. cubic <master units> cubic m — (Metric units only) Cubic meters. Liter — (Metric units only) Gallon (US) — (English units only) Gallon (UK) — (English units only) US Barrels (Oil) — (English units only): [1 bbl (US Oil) = 158.987L] US Barrels (Federal) — (English units only): [1 bbl (US Federal) = 117.347L]
Volume	Displays the result of the last volume measured. The unit of measurement displayed in this field can be controlled by the MS_MEASURE_AREA_UNIT2 configuration variable.

Key-in: MEASURE VOLUME