There need not be any water at all in the hose! The capacity of the hose is 3.41 cubic feet.
14.7 gallons of water.
A 72-inch pipe 16 feet long holds up to 3,384.1 US gallons of water.
1.6 gallons of water.
40.8 gallons of water per 10 feet of length.
A standard fire hose is 50 feet long. A hose this length with a 2-inch radius grants about 4.36 cubic feet. This volume holds 32 gallons of water.
There need not be any water at all in the hose! The capacity of the hose is 3.41 cubic feet.
A 2.5 inch fire hose has a capacity of approximately 60 gallons per 100 ft. Therefore, a 50 ft hose would hold around 30 gallons of water.
A 20' length of 4-inch hose can hold approximately 0.38 gallons of gasoline per foot. Therefore, 20 feet of this hose can hold around 7.6 gallons of gasoline.
179.53 gallons
100 feet by 100 feet by one inch equates to 6,233.76 gallons of water.
6.5 gallons give or take....
100 feet of 3-inch pipe holds 36.73 gallons of water.
5.5 gallons per 15 feet of 3-inch pipe.
Roughly 1 gallon for every 18 inches of hose.
You would need 2,451 feet of 2-inch pipe for 400 gallons.
Do you mean a fixed length of 5 inch pipe or are you asking to the amount of laminar flow through a 5 inch pipe? There is not enough info here to answer. Need length of pipe and what you are asking.