How deep?
1 inch will take .7 yards
At 4" thick you will need 1.23 cubic yards.
This area requires 2.5 cubic yards.
133.33 cubic yards, that's 400 feet
1.7572 cubic yards
You will need 0.56 cubic yards of concrete.
At 4" thick you will need 1.23 cubic yards.
This area requires 2.5 cubic yards.
This area requires 3.7 cubic yards.
8.25 cubic yards of concrete
It will take 800 cubic yards 1/3 compaction.
Depends how wide the 3 yard length is and how deep the concrete is put over that area.
2.407 cubic yards for every 3 inches of depth.
The term "yards" of concrete means cubic yards.
A 29 foot by 11 foot by 1 inch depth requires about 1 cubic yard of cement. If the depth is one foot, you will need about 12 cubic yards.
133.33 cubic yards, that's 400 feet
.21 yards of sand will fill an area 115 inches by 67 inches to a depth of 2.5 inches.
Assuming you pour to a thickness of 4", this area requires 4.75 cubic yards.