how many bags of cement for a pad 4x7x4 inches thick
You will need a minimum of 18.96 cubic yards.
0.86 cubic yards is needed.
You'll need 1 cubic yard.
A minimum of 5.93 cubic yards is needed.
how many bags of cement for a pad 4x7x4 inches thick
1.85 cubic yards of cement.
10x12=120. So the answer is 120 square feet.
5.93 cubic yards.
A 16' x 8' by 4" slab requires 3.56 cubic yards of cement.
about 25 yds
You will need a minimum of 18.96 cubic yards.
4yard
0.86 cubic yards is needed.
You'll need 1 cubic yard.
A minimum of 5.93 cubic yards is needed.
Without knowing the area, there is no way to answer.