40.1 cubic yards
.617 Yards
259.2593 sq. yards.
6 inches = 1/6 yards. So 70 sq yards * 6 inches = 70*1/6 cubic yards = 11.66... cubic yards.
answer-140 sq yds
tweleve
1 cubic yard will cover 15 square yards at 3 inches deep.
If you say 2 inches deep, I assume you really mean cubic yards, as in how much you would have to buy? If so, the answer is 7.77, so you would need about 8 yards.
One cubic yard covers 81 square feet 4 inches thick.
It depends on how deep it is. If it is 6 inches deep, you will need 77 yards.
4860 sq feet
16.02