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How many gallons are in an Olympic size swimming pool?



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This question is not easily answered because Olympic size only refers to the width and length, not depth. So variation in depth can greatly affect the answer. I happened to do maintainance for a university olympic sized pool years ago. It was 3 ft or 1m at the shallow end an 12ft or 4m at the deep end. It came in at just under 1/2 million gallons.