Concrete is sold by the cubic yard (36 in x 36 in x 36 in or 46,656 cu in). 100 square feet is equal to 10 ft x 10 ft or 120 in x 120 in or 14,400 sq in. To "cube" this measurment, multiply it by 4 in (thickness) or 57,600 cu in. To detemine cubic yards, divide by 46,656 or 1.23 cubic yards.
2.15
14.81 yds
you can do the math: LXWXD DIVIDED BY 27
625 times 0.5 = 312.5 cubic feet will be needed
how many cubic feet in a yard of concret
2.15
14.81 yds
you can do the math: LXWXD DIVIDED BY 27
625 times 0.5 = 312.5 cubic feet will be needed
how many cubic feet in a yard of concret
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.
About 162sf.
81
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.
Allow 5.5 to 6 yards. Always allow for wastage, underrunning forms, etc.
go to any search. and type in concrete calculater
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.