Findt he volume of the column then divide by 27 cubic feet because that is the number of cubic feet in a cubic yard.
pi*r*r=area of the base then times height.
3.141592*1*1*18= 56.62656
56.62656 divided by 27= 2.09728 cubic yards
The term "yards" of concrete means cubic yards.
.029 cubic yards of concrete weighs aproximately 93.96lbs
A yard (of dirt or concrete) is a volume of 1 cubic yard (1 yd)³, as the cubic is assumed in this context. Assuming a circle 7 feet across (diameter), then the radius is 3.5 feet = 1.16667 yards, and 8 inches = 0.2222 yards. So the volume of this is about 0.95 cubic yards. In concrete jargon it would be 0.95 yards.
1.8 cubic yards will do it.
1.67 cubic yards.
0.89 cubic yards.
You will need 0.56 cubic yards of concrete.
You will need 17.8 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.
We need to know the dimensions of the tube. The diameter AND the length of the tube. It takes o.465 yards per foot of length for a tube 4 feet in diameter. .
The volume of a cylinder, in cubic yards, if the height is 153 inches and the diameter is 24 inches is 69,215.57 cubic inches which equates to 1.484 cubic yards.
1.85 cubic yards.