Math CentralQuandaries & Queries


Question from Clinton:

Can you show me how to calculate the ground corn capacity in a steel silos of 10' x 10' high and 10' x 20' high and 10' x 24' high and 10' x 28' high

Hi Clinton,

The volume of a cylinder of radius $r$ feet and height $h$ feet is $\pi \;\times r^2 \times h$ cubic feet. Hence a silo of diameter 10 feet and height 10 feet has volume

\[\pi \; \times \left( \frac{10}{2} \right)^2 \times 10 = \pi \; \times 25 \times 10 = 785.4 \mbox{ cubic feet.}\]

You can also get this result using our volume calculator at


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