Cylinder VolumeFor Finding Volume of a Cylinder with Circular BaseResult:141.372


radius (r)  units  

height (h)  decimals  
A cylinder with a radius of 3 units and a height of 5 units has a volume of 141.372 cubed units.
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If a cylinder has a flat bottom, meaning the height and radius meet at right angles, then this formula can be used to find of volume ('V') of that cylinder:
V = PI*r^{2}h
In plain english the volume of a cylinder can be calculated by squaring the radius, multiplying that value by PI, then multiplying by the height. You can also think of it as finding the area of a flat circle (PI * radius squared) and multiplying by the height to find volume.
Here is a stepbystep case that illustrates how to find the volume of a cylinder with a radius of 3 inches and a height of 5 inches. In this example PI will be 3.14.