Thickness? Do you mean cement or concrete - cement is the binder/adhesive in the concrete.
?
28
You will need 27.6 cubic yards of cement.
6 inches = 1/6 yardVolume = (length) x (width) x (thickness) = (9 x 6.5 x 1/6) = 9.75 cubic yards
14.81 cubic yards.
3.95 cubic yards of cement are needed for a slab that size.
0.86 cubic yards is needed.
A minimum of 5.93 cubic yards is needed.
20' by 26' by 5" requires at least 10 cubic yards of cement.
25
15'x37'x4" requires 6.85 cubic yards.
18.52 cubic yards are needed.
You will need at least 9.68 cubic yards of cement.