Math CentralQuandaries & Queries


Question from ely, a student:

How much does the water in a swimming pool 20 ft long, 10 ft wide, and 6 ft deep weigh?


The volume of water in the pool is length × width × depth. Since your dimensions are in feet this will give the volume in cubic feet. Water weighs 62.4 pounds per cubic foot so to find the weight in pounds, multiply the volume by 62.4.


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