Before you beginning a swimming pool water treatment program, you must know the capacity
of your swimming pool. The amount of chemicals you need will depend on the amount
of water your swimming pool holds. Please use the convenient Above Ground pool
or In Ground pool gallonage chart below to determine the capacity of your swimming pool.
Above Ground Swimming Pool Gallonage Chart
Pool Depth
Pool Size
48 in.
52 in.
12' Round
3,500
4,000
15' Round
5,500
6,000
18' Round
7,600
8,300
21' Round
10,000
11,000
24' Round
14,000
15,000
27' Round
17,000
19,000
28' Round
18,500
20,000
30' Round
21,000
23,000
12x24 Oval
8,000
8,500
15x24 Oval
9,300
10,000
15x30 Oval
12,000
13,000
16x32 Oval
14,000
15,000
18x33 Oval
16,000
17,000
21x41 Oval
23,000
25,000
Average Depth for In Ground pools
You are required to know the Average Depth of your In Ground pool to use the convenient pool gallonage chart below. Please use this simple equation to determine the average depth of your pool:
Deep End (feet) Shallow End (feet) รท 2 = Average Depth
In Ground Swimming Pool Gallonage Chart (rectangle pools)