About 326 and a half imperial gallons, which would be around 436 US gallons.
5.5 gallons per 15 feet of 3-inch pipe.
65.3 gallons or 8.7 cubic feet.
A 72-inch pipe 16 feet long holds up to 3,384.1 US gallons of water.
14.7 gallons of water.
111 gallons of water.
12,239.9 gallons of water per 3,000 feet.
78.34 gallons per 480 feet in a 2-inch pipe.
20.81
1.6 gallons of water.
Up to 1,795.2 gallons of water.
6.5 US gallons of water.
45.9 US gallons.