Stockpile Volume

V = 0.2618 x D2 x h
V = Volume in cubic feet (ft3)

D = Diameter of the base of the cone (ft)

h = Height of the cone in (ft)

Conical Stockpile Volumes (37° of repose)
Diameter
(ft)
Height
(ft)
Volume
(yds3)
26.50 10 68
39.83 15 230
53.00 20 545
66.30 25 1065
79.50 30 1845
92.83 35 2930
106.00 40 4370
132.66 50 8540
159.16 60 14755
186.00 70 23375
212.16 80 34970
238.83 90 49795
265.30 100 68300