how to calculate the volume of a circular pool or cylinder

they didn't teach you this in high school... or did they?

how to calculate the volume of a circular pool. Pi (3.14) times radius squared. then multiply that by the average depth. that will give you the volume in square feet. then multiply by 7.5 because there are 7.5 gallons of water in a square foot, and you have it. the volume of a circular swimming pool (or spa)


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