Volume in cubic units = pi*(diameter/2)2*height
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The diameter, alone, is not enough to find the volume of a cylinder. You need the height as well. > Where pi = 3.1416, and d = cylinder diameter cylinder volume = pi * (d/2)2 * length of cylinder
By inserting the data you know into the formula for the volume of a cylinder, and solving the resulting equation for the quantity you don't know - in this case, for the height. The formula for the volume of a cylinder is: volume = pi x radius2 x length. The radius is half the diameter.
The formula for Cylinder:If we have a cylinder with the radius r, pi is 3.1415, and height h, the volume V of the cylinder is:V = (r squared) (pi) (h)If your radius and height are measured in inches, the volume is in cubic inches.
Since we want to calculate the weight of a cylinder, the formula is W = V*D. Or, Weight = Volume*Density. [πr²h is the formula for volume. Pi [3.14159...] x radius squared x height. Simply substitute if you have all aspects of the formula.]
Density or weight is calculated by mass/volume