1.6 gallons of water.
5.435 imperial gallons or 6.794 US gallons
Volume of the pipe = 4.896 gallons
0.37 US gallons.0.37 US gallons.0.37 US gallons.0.37 US gallons.
That depends on how long the pipe is.
5.5 gallons per 15 feet of 3-inch pipe.
2.61153 gallons.
This pipe will hold 23,500.7 gallons of water.
There need not be any water in the pipe.Assuming that it is a 10 inch diameter pipe, then its capacity is 4.08 US gallons.
You would need 2,451 feet of 2-inch pipe for 400 gallons.
0.3672 gallon per foot of pipe.
This pipe will hold 1,468.8 gallons of water.