Measure area between multiple points.
Find it here:
By right-clicking, you can select between three different snap modes.
EndPoint - Endpoint OSNAP snaps to the endpoint of lines and curves.
NearestPoint - Nearest OSNAP snaps to the nearest point along a line/curve.
MidtPoint - Midpoint OSNAP snaps to the midpoint of a line/curve.
If you hover over a snap point, you will get information about coordinates and heights.
When you click on the model, you will see information about 2D and 3D areas.
Click Enter to close the command.