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Is the pool a circle?

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A Grecian pool with these dimensions can contain 25,920 gallons of water.

Q: How many gallons of water in a pool 18 ft in diameter 40 inches deep?

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489.76 gallons of water.

66 gallons

Exactly 35.2332 gallons, but 36 to be safe.

3697 Gallons @ 80% of wall height

16.32 US gallons.16.32 US gallons.16.32 US gallons.16.32 US gallons.

Volume = (pi) R2 L = (pi) (30)2 (12) = 10,800 pi = 33,929.2 cubic inches = 146.88 gallons (rounded)

885 gallons.

Depends on the depth. If it is 4 feet deep and it is cicular with a diameter of 24 feet then you have approx. 13,553 gallons of water. If it is 3 feet deep then you have approx. 10,152 gallons of water.

Assuming the dimensions given are inside dimensions, the cylinder will hold 55.75 gallons - less if the dimensions given are outside dimensions.

29.45 cubic feet or 183.45 US gallons.

This pool can hold a maximum of about 18,420 gallons of water.

21.76 US gallons of water.