Volume of a cylinder = (pi) x (radius)2 x (length)
Radius of an 18-inch pipe is 9 inches.
Volume of a 1-foot section = (pi) x (9)2 x (12) = 3,053.6 cubic inches = 13.219 gallons (rounded)
This cylinder will hold up to 3,760.11 gallons of water.
141.06 gallons
A 15 cubic foot tank will hold a maximum of about 112.2 gallons of water.
About 14,351 US gallons of water.
UK measures - a cubic foot of water weighs 1000 ounces, a gallon of water weighs 10 pounds - go from there. (See - the imperial system does have some logic!!)
700 gallons
17,000 gallons
0.212 331 gallons per foot.
A pool this size will hold about 21,544 gallons of water.
much water per foot will a 5 inch pipe hold
Since the pool is 1477440 cubic inches, it'll hold about 6395.844 gallons of water.
A 12 inch diameter round pipe will hold 4.89 UK gallons or 5.88 US gallons per foot.