A yard is 27 cubic feet
Youare covering 256 x 2/12 = 42.67 cu ft
So you need 42.67/27 = 1.6 yards
6 cubic yards of dirt will cover 70 sq ft ... 2 ft 3 3/4 inches deep
806.66 Cubic Yards
You are mixing volume (square yard) and area (length x width). How deep do you want the dirt? One foot deep you need about 80 square yards of dirt.
None because it's a hole but 6 cubic yards of dirt will fill it up.
Well, you would take the 7000 square feet of dirt and multiply it by the four inches of stone to get the 28000 cubic yards of stone. (28000 yds³)
6 cubic yards of dirt will cover 70 sq ft ... 2 ft 3 3/4 inches deep
806.66 Cubic Yards
2.37 cubic yards of dirt is needed to fill an 8'X4' that is 24" deep garden box. If the box is filled 12 inches, the amount of soil needed is 1.19 cubic yards and that should be deep enough for most vegetables.
10-1/2 cubic yards
577 yards.
You will need 1500 cubic feet.
You are mixing volume (square yard) and area (length x width). How deep do you want the dirt? One foot deep you need about 80 square yards of dirt.
None because it's a hole but 6 cubic yards of dirt will fill it up.
Well, you would take the 7000 square feet of dirt and multiply it by the four inches of stone to get the 28000 cubic yards of stone. (28000 yds³)
35/9 cubic yards for every foot deep.
It doesn't hold any dirt. It's a hole.
6 x 2 x 1 = 12 cubic yards