Assuming you mean a round pool with a diameter of 18' and depth of 4' then we need the volume of the pool which is.
(3.14*9^2)*4 = 1017.36 cubic feet of water.
There are 7.48 gallons per cubic foot so ...
1017.36*7.48 = 7609.85 gallons of water.
2006-08-24 05:50:30
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answer #1
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answered by BMS 2
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10
2006-08-24 08:09:26
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answer #2
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answered by NYENGINE 1
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Since you only gave one number for across I will guess that pool is square (18x18). That gives an area of 324 square feet. Multiply by 4 foot depth gives 1296 cubic feet. Each gallon takes .134 cubic feet.
Divide the 1296 by 1.34 and get 9670 gallons in the pool.
If you meant a round pool it has an area of 254 sq feet which at 4 feet deep is 1017 cubic feet. Divide by .134 and get 7592 gallons in the pool.
2006-08-24 05:28:31
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answer #3
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answered by Rich Z 7
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If your pool is a rectangle, take the length in feet and multiply by 538.632 to get the number of gallons.
If your pool is a cricle with a diameter of 18' then 81pi times 4 times the conversion factor (cu. feet to gal) of 7.481 gives a total of just over 7,600 gallons.
2006-08-24 05:34:14
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answer #4
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answered by Mehoo 3
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Gallons = Cubic feet X 8.34gals.
pi X r2 X height in feet = cubic feet
3.14 X (18ft/2)2 X 4ft = 3.14 X 81sqft X 4ft
3.14 X 81sqft X 4ft = 1017.36 cuft
1017.36cuft X 8.34gals = 8484.7824gals
8484.7824 Gallons
2006-08-24 05:29:12
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answer #5
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answered by FrogDog 4
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I assume it is a round pool since you only gave 2 dimensions.
v = pi r^2 H
v = 3.14159* 9^2 * 4
v = 3.14159* 81 * 4
v = 1017.87 cubic feet
that is 28,822.87 litres
that is 7,614.14 US gallons
That is 6,340.14 Imperial gallons
TFTP
2006-08-24 05:35:39
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answer #6
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answered by Anonymous
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consider remaining dimension is 1 foot.
so,volume =72 cu feet.
1 cu feet = .02831 cu meter
72 cu feet=72*.02831=2.0389 cu meter.
1 cu meter=1000 litre of water
2.0389 cu meter=2038.9 litres
now, 3.7853 litres=1 us gallon
2038.9 litres= 2038.9/3.7853 gallons
=538.645 gallons is the answer.
2006-08-24 06:20:49
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answer #7
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answered by Anonymous
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what is the length? you need 3 dimensions to calculate the volume.
2006-08-24 05:23:11
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answer #8
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answered by Anonymous
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500?
2006-08-24 05:23:47
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answer #9
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answered by itbambone92 1
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You gotta give us more info....volume is LENGTH, WIDTH and height. Say, what don't you ask your math teacher OR do your own homework!
2006-08-24 05:23:27
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answer #10
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answered by Capt 5
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