How many cubic yards in a cylinder 3 feet by 40 feet?

Answer 1

1 cubic yard = 27 cubic feet

Volume of a cylinder = (pi) R2 H

R = radius = 1/2 diameter = 1.5 ft

H = height = 40-ft

Volume = (pi) (1.5)2 (40) = 90 pi = 282.743 cubic feet = 10.472 cubic yards (rounded)