489.76 gallons of water.
If that is 4 feet tall and 18 inches in diameter, it would be 16.83 gallons.
A cylinder with a diameter of 19 inches and a height of 12 inches can hold up to 14.73 gallons of water.
Jacob Rules
A round slab of space that's 23 inches in diameter and 8 inches high contains14.389 gallons of space. (rounded)It doesn't matter what the space is part of, or whether there's anything in it.It might even be empty.
74.42 gallons.
If 24 inches is the diameter, there are 141,004 gallons of water. If 24 inches is the radius, there are 564,018 gallons of water.
A cylinder 50 feet in height and 6 inches in diameter can hold up to 73.44 gallons of water.
21 inches of water in a round pool that is 27 feet 3 inches across is about 7,667 gallons.
Assuming that 24' is the diameter of the pool, then the volume of the pool is 3,387,491.39 cubic inches. There are 231 cubic inches in a gallon, so the pool holds 14,664.46 gallons of water.
244.78 gallons
A round pool with a 10-foot diameter and a 3-foot depth can hold up to 1,762 gallons of water.
If the pipe is round, with a 55-foot diameter, and 36 inches long, then its capacity is 53,317.3 gallons. If the pipe is round, with a 36-inch diameter, and 55 feet long, then its capacity is 2,908.2 gallons. Either way, we have no way of knowing how much water is in it. For all we know, it may even be empty.