Asked by Gregg

160 square feet 6" deep how many yards of gravel
Answered by PsyDAG
160 * .5 = 80 cubic feet

1 cubic foot = 0.037037037 cubic yards

So multiply the last value by 80.
Answered by oobleck
160ft^2 * 1/2 ft * (1yd/3ft)^3 = 160/54 yd^3