6 inches = 1/2 foot.
27 cubic feet = 1 cubic yard
60-ft x 30-ft x 1/2 ft = 900 cubic feet = 331/3 cubic yards
62/3 cubic yards for every 1-foot deep. 5 cubic yards for every 9-inches deep. 31/3 cubic yards for every 6-inches deep. 5/9 cubic yard for every 1-inch deep.
Three acres three inches deep is 403.33 cubic yards.
6 inches = 1/6 yards. So 70 sq yards * 6 inches = 70*1/6 cubic yards = 11.66... cubic yards.
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
24 cubic feet = 0.89 cubic yards
13.1 cubic yards, approx.
1.851852 cubic yards
if that is 3 ft deep it would require 96 yards... IF it is 3 inches deep it would require 24 cubic yards
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.
3,456 cubic yd.
The mattress would have a total area of roughly 1.04 cubic yards. However, a cubic yard is one yard long by one yard wide by one yard deep. The mattress is only 8 inches deep, not enough to equal a yard, so it really does not have any one area that is a cubic yard in size.
40.1 cubic yards