Cubic feet needed is the thickness is 4 inches:
416
Cubic yards:
15.36
60 pound bags
925
80 pound bags 694
8.64 cubic yards of cement.
You will need 6.17 cubic yards of cement.
You will need a minimum of 7.41 cubic yards.
You will need 27.6 cubic yards of cement.
You will need a minimum of 18.96 cubic yards.
1.85 cubic yards of cement.
8.64 cubic yards of cement.
You will need 3.7 cubic yards of cement.
You will need 6.17 cubic yards of cement.
5.93 cubic yards.
You will need a minimum of 7.41 cubic yards.
You will need a minimum of 7.41 cubic yards.
You will need 27.6 cubic yards of cement.
You will need a minimum of 18.96 cubic yards.
0.04 cubic yards.
0.22 cubic yards.
At 4" deep, a 13' x 19' area needs at least 3.05 cubic yards of cement.