'bout 1500 to 2000
5284.62 gallons
489.76 gallons of water.
21 inches of water in a round pool that is 27 feet 3 inches across is about 7,667 gallons.
About 4,650 gallons.
If 20' is the circumference, then the answer is 833.4 gallons.
6015.77 gallons
About 17,204 gallons.
About 15,293 gallons.
17,204 gallons.
About 7,600 gallons
12 ft round by 30 inches deep
3416 gallons