The radius of the pipe is 0.5 feet.
The area of the cross-section is
pi * r^2
= pi/4 feet^2
The volume is
cross-section * length
= (pi/4 foot^2) * 1 foot
= pi/4 foot^3
There are roughly 7.481 gallons/cubic foot, so the pipe contains
(7.481 gallons/(foot^3)) * (pi/4 foot^3)
= 7.481 * pi / 4 gallons
= 5.875 gallons (not exact)
A four-foot diameter pipe that is five feet long has a volume of 470 gallons.
For a 3 foot diameter pipe, 52.9 US gallons per foot of length.
One foot of 3 inch pipe will hold approximately 0.625 gallons of water.
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.
To calculate the volume of a pipe in gallons per foot, you'll need to know the diameter of the pipe. Once you have that information, you can use the formula for the volume of a cylinder (πr²h) and convert the result from cubic inches to gallons.
In a pipe with diameter 8 ft, there will be just over 376 US gallons per foot.
A 2 ft wide pipe, 1 foot long, will contain 23.5 gallons (US).A 2 ft wide pipe, 1 foot long, will contain 23.5 gallons (US).A 2 ft wide pipe, 1 foot long, will contain 23.5 gallons (US).A 2 ft wide pipe, 1 foot long, will contain 23.5 gallons (US).
Approx 10.3 US gallons.
To calculate the volume of water in a pipe, first convert the diameter to feet (28 inches = 2.33 feet). Then use the formula for the volume of a cylinder (V = πr^2h) where r = radius (half the diameter) and h = height. For a 2.33-foot diameter pipe and 1 foot height, the volume is roughly 17.19 gallons of water per foot.
0.61 * d2 Where d is the diameter of the pipe in inches.
A 12 inch diameter round pipe will hold 4.89 UK gallons or 5.88 US gallons per foot.
The capacity of one foot of a pipe with an inner diameter of 20 inches is approx 1.36 US gallons. The maximum amount of water is, therefore, 1.36 gallons, but there need not be any water in the pipe.