aprox 400 gal
i have a 4 ft dia tank that's 6 ft long it holds 200 gal
A four-foot diameter pipe that is five feet long has a volume of 470 gallons.
203692.4 Gallons
A three-inch diameter pipe one foot long holds 0.367 gallon.
For a 3 foot diameter pipe, 52.9 US gallons per foot of length.
31.987 gallons per foot.
704.5 gallons (approx).
Pipe is generally cylindrical and the dimension refers to the inside diameter. One cubic foot contains 7.48 gallons. The volume of a one foot long 20" diameter pipe is: pi(1.667/2)^2 = 2.18 cubic feet. At 7.48 gallons per cubic foot the total volume is 16.3 gallons.
A round pool with a 10-foot diameter and a 3-foot depth can hold up to 1,762 gallons of water.
A 14 foot diameter tank has a volume of 154 cubic feet per foot of height and it takes 7.48 gallons per cubic foot7.48 * 154 = 1150 gallons per foot of height
2/1/12th GALLON
How many gallons will fit into a 24 foot diameter x 4 foot high round swimming pool
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.