The term "yards" of concrete means cubic yards.
the minimum is 2 yards.
Approximately 15 cubic yards of concrete are needed for the new sidewalk. Volume of concrete needed = 4 feet x 200 feet x .5 feet = 400 cubic feet 400 cubic feet = 400/27 cubic yards = 14.82 cubic yards
You will need 3.6 cubic yards.
You will need 27.6 cubic yards of cement.
40.1 cubic yards
Approximately 12.35 Cubic Yards.
3.95 cubic yards of cement are needed for a slab that size.
3880 cubic yards
700 sq feet to 2 feet depth = 1400 cubic feet of concrete, which is equal to 51.85185 cubic yards of concrete.
concrete is sold in cubic yards in the united states. I hope you are using a 1/4 inch diameter reinforce mesh. 1680 / 81 = 20.74 cubic yards without subtracting the mesh volume.
That depends on the length and width of your construction.