Cannot be answered with only these measurements. You need to specify what shape the pool is. Also, for a rectangular pool, the length, width and depth are needed. For a round pool, the diameter and depth are needed.
700 gallons
141.06 gallons
17,000 gallons
A fifteen foot diameter round pool, three feet deep has a volume of 530.144 cubic feet, this converts to 3965.752 US gallons.
A 28-foot round pool filled with 4 feet of water would contain about 18,500 gallons.
A 12 inch diameter round pipe will hold 4.89 UK gallons or 5.88 US gallons per foot.
Up to 8,797.1 gallons.
half a pint
A round pool with a 10-foot diameter and a 3-foot depth can hold up to 1,762 gallons of water.
10000
This tank will hold a maximum of 10,030 gallons of water.
18,000