It holds 702 cubic feet.
2.75 Imperial gallons.
1 Gallon
A square foot is not going to hold any water, because it's flat. You need a cubic measurements for volume.
At 7.48 gallons per cubic foot that is 3.14x30x30/4x52 x7.48 /12 = 22,900 gallons
16foot
A 24-inch diameter cylinder holds 23.5 gallons of water per foot of length/height.
It holds 702 cubic feet.
2.75 Imperial gallons.
A two inch pipe can hold 0.1632 gallons per foot. It takes slightly over 6 feet of two inch pipe to hold one gallon of water.
1 and 1/2 gallons
A 5-inch pipe will hold approximately 0.36 gallons of water per linear foot. This calculation is based on the formula for calculating the volume of a cylinder (V = πr^2h), where the radius (r) is half the diameter of the pipe (2.5 inches) and the height (h) is 1 foot.
About 0.35 cubic feet or about 2.6 gallons.
A 100-foot hose with an inside diameter of five inches can hold 102 US gallons of water.
1 Gallon
A square foot is not going to hold any water, because it's flat. You need a cubic measurements for volume.
Since the pool is 1477440 cubic inches, it'll hold about 6395.844 gallons of water.