A 9x9 foot slab 4 inches thick requires a minimum of 1 cubic yard. If you go to 6 inches thick you will need 1.5 cubic yards.
One yard will cover 81 square feet 4 inches thick, So 81x40=3,240 square feet if spread 4 inches thick. 36/4=9, 9x3x3=81, 81x40=3,240 If you want it 6 inches thick 36/6=6, 6x3x3=54, So one yard will cover 54 square feet 6 inches thick, And 54x40=2,160 square feet If spread 6 inches thick! Now this is spreading it on thick/DEEP!
1000 square feet/9 = 111.1 square yards of concrete 6 inches thick. This is the same as 111.1/4.5 = 24.7 cubic yards of concrete.
1.2 (cubic feet) = 2073.6 cubic inches FYI: Google "convert 1.2 cubic feet to cubic inches"
To determine the number of inches in 0.39 cubic feet, we first need to convert cubic feet to cubic inches. Since 1 cubic foot is equal to 1728 cubic inches (12 inches x 12 inches x 12 inches), we can multiply 0.39 cubic feet by 1728 to get the equivalent in cubic inches. This calculation results in 673.92 cubic inches.
A cubic yard is 46,656 cubic inches. Spread to a thicknes of 5 inches, a cubic yard of concrete covers 9332.1 square inches, which is 64.8 square feet.
One "yard" of dirt (meaning one cubic yard) contains 46,656 cubic inches. Spread 8 inches thick this will cover 5832 square inches or 40.5 square feet.
There are 9 square yards in a cubic yard at a thickness of 3 inches. This is because there are 9 square feet in a square yard and 36 cubic feet in a cubic yard, so the area is 9 square yards if the thickness is 3 inches.
You have given three dimensions; square feet has only two dimensions. Do you mean cubic feet?
81
36x36x36 inches or 3x3x3 feet or 27 cubic feet. If applied a foot thick, it will cover 27 square feet; 6 inches thick = 54 square feet (e.g.: an area 9 feet by 6 feet); 3 inches thick = 81 square feet (e.g.: an area 9 feet by 9 feet).
One cubic yard covers 81 square feet 4 inches thick.
You will need 200 cubic feet.
27 square feet Answer. 15 square metres at 3 inches thick.
66 cu ft
5inches
Apples and oranges. Without knowing how thick the 450 sq. ft. area is or how thick you want it to be you can't convert to cubic yards. A cubic yard has 27 cubic feet. One square foot 3 inches thick would be 1/4 cubic feet. 4 sq. ft. 3 inches thick would be 1 cubic foot. 450 sq. ft. 3 inches thick is 112 1/2 cubic feet or just a bit over 4 cubic yards. 450 sq. ft. 4 inches thick is 150 cubic feet or 5 1/2 cubic yards.