There are 7.48051948 US gallons per cubic foot, and the pool is
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http://www.havuz.org/poolcalculators.htm.
http://wiki.answers.com/Q/How_many_gallons_are_in_...

Well, you can't answer this without knowing how deep the pool is as well. However, 10 gallons is about 1 1/3 cubic feet , and 10 cubic feet of water is about 75 gallons, so that means
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The formula for the volume of a cylinder: pi X r^2 X height. 3.14 (pi) X 9^2 X 4 = 1017.36 ft^3. 1 ft^3 = 7.48 US gallons.There are 7,609.53 US gallons.
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