The volume of a water silo is calculated in the same way as that of a cylinder.
* Pi and mathematical constant with a fixed value of: 3.141592653 …
A water silo has a diameter of 5 meters and a height of 6 meters. The content is: 2,5² x 3.14 x 6m = 117.75 m³ The Silo has a volume of 117.75 cubic meters which equals 117750 liters of water. (1 cubic meter = 1000 liters)