how many yards of concrete will i need to do a 20 x20 x4 slab
1.19 Cubic Yards
1.85 cubic yards.
10.67 Cubic Yards
About 24 cubic yards of cement is required for a slab that size.
how many yards of concrete will i need to do a 20 x20 x4 slab
37.03 yards
A 40x60x6in slab requires 44.44 cubic yards of cement.
4.074 cubic yards for every foot the slab is thick.
about 5 yards if your slab is 4" deep
1.19 Cubic Yards
You can't express a volume of concrete in yards.
1.85 cubic yards.
10.67 Cubic Yards
About 24 cubic yards of cement is required for a slab that size.
A 40'x40'x6" slab requires 29.63 cubic yards of cement.
25 Yards of concrete