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You can use the volumetric equations. To break them down simply: Volume = Width * Height * Depth Width * Height = Area Area of a circle = Pi * radius2 Okay, so now that we have remembered the formulas, we can plug in the numbers: Radius = 15/2 or 7.5 feet so Area = 3.14159265 (Pi) * 7.52 which equals 176.715 sqare feet Now, Volume = Area * Depth, so 176.7145868 (the area) * 4 = 706.858347 cubic feet. 1 gallon = 0.13368 cubic feet, so take 706.858347/0.13368 to get the answer: A 15 foot round above ground swimming pool that is 4 feet deep will hold 5,287.6676 gallons of water.

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16y ago
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16y ago

I'm assuming you mean that your pool is round, with a diameter of fifteen feet, and is three and one-half feet deep. The problem setup is as follows:
7.5 (half the diameter) x 7.5 x 3.14 (pi) x 3.5 = 618.1875 cubic feet.
618.1875 cubic feet = 4,624.36362 gallons
Therefore, your pool holds 4,624.36362 U.S gallons of water.

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9y ago

There are about 916.5 gallons of water in a pool that is 13 feet in diameter and 3 feet in depth. This is because it has a volume of about 122.5 cubic feet, and there are about 7.48 gallons of water in one cubic foot.

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11y ago

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16y ago

One cubic foot contains 7.48 gallons of water. If the shape of your pool is a perfect circle: [Pi] x 62 x 3 = about 339.5 cubic feet. 339.5 x 7.48 = about 2539.5 gallons. Chuis

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15y ago

Area = Pi * r * r = 3.14 * 6.5 * 6.5 = 132.7 sq ft Volume = area * depth = 132.7 cu-ft * 2.5ft = 33.2 cu ft Gallons = 7.48 gal/cu-ft * 33.2 cu-ft = 248.2 gal

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8y ago

12 foot by 12 foot by 4 foot deep = 576 cubic feet.

576 cubic feet is a volume equivalent to 4308.7792208 gallons [US, liquid]

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9y ago

About 2,550 gallons.

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11y ago

2,800 gallons.

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Q: How many gallons of water are in a 3.5'X 15' swimming pool?
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