Example:

For a rectangular pool with length 20 ft, width 10 ft, and depth 24 in:

Volume = (20 * 10 * (24 / 12)) * 0.037 = 1.48 cubic yards

For a circular pool with radius 10 ft and depth 24 in:

Volume = (3.14 * 10^2 * (24 / 12)) * 0.037 = 2.32 cubic yards