Multiply 15 x 15 x 4 x 5.9 = 5,310 gallons in the pool
5,287.7 gallons of water.
4,000 gallons.
Can't say unless you tell us how high the pool is.
If this is a round pool 15 feet across and four feet deep, the maximum water capacity (filled to the very top) is 5,288.7 gallons.
3371 Gallons
How much chlorine is needed to be added to a 15ft -42" pool according to prevous answer it holds 4646.25 gallons of water
3,489
How many litres of water in a intex easy set 15ft swimming pool with a depth of 36inches?
Cannot be answered with only these measurements. You need to specify what shape the pool is. Also, for a rectangular pool, the length, width and depth are needed. For a round pool, the diameter and depth are needed.
one that is 3750 cu.ft. ...which is a 10ft deep, 15ft wide and 25ft long rectangle
16,200 Pool & Spa
If the pool were filled all the way to the top it would hold 4,551.4 gallons of water. However this is generally not recommended. If filled to within 6 inches of the top (3.5 ft) it would hold 3,976 gallons.