2100 x 1/12= 175 cu ft
175 cu ft/27 cu ft per yard = 6.5 cu yds
162 cubic feet.
It takes 5.0926 cubic yards or 137.5 cubic feet.
5.6 acres*3.5ft = 27104 sq yards*1.166... yards = 31621.33... cubic yards.
You would need 31.88 cubic yards of topsoil to cover 855 sq feet at 6 inches deep.
1.77 cubic yards
There are 35 cubic yards in a trench that is 210 feet long, 6 feet wide, and 9 feet deep. This can be calculated by multiplying the length, width, and depth in feet (210 x 6 x 9) and then dividing by 27 to convert cubic feet to cubic yards.
0.52 cubic yards = 14.04 cubic feet.
4860 sq feet
123.44 cubic yards
24 feet X 24 feet X 1/3 feet = 192 cubic feet 192 cubic feet / 27 cubic feet per cubic yard = 7.11 cubic yards
55.56 cubic yards.
40 cubic feet = 1.481 cubic yards.