I would say about 4.
Less than one.
You will need 0.56 cubic yards of concrete.
You will need 17.8 cubic yards of concrete.
1.67 cubic yards.
0.89 cubic yards.
The term "yards" of concrete means cubic yards.
about 5 yards if your slab is 4" deep
Less than one.
You will need 0.56 cubic yards of concrete.
You will need 17.8 cubic yards of concrete.
1.67 cubic yards.
0.89 cubic yards.
1.8 cubic yards will do it.
37.03 yards
You can't express a volume of concrete in yards.
532.4074 yards of concrete, round up to 533 yards.
25 Yards of concrete