Water Capacity for Common Pool Sizes
(Figures are in Total Gallons)
Above Ground Pools
Average Depth
SHAPE
Pool Size
36”
Round
12’
2,500
Round
15’
4,000
Round
42”
48”
52”
3,400
4,600
5,000
5,700
18’
7,600
8,200
Round
20’
10,000
10,218
Round
21’
13,500
14,500
Round
24’
17,000
19,000
Round
28’
18,000
20,000
Round
30’
21,000
23,000
Oval
11’ x 18’
5,000
Oval
12’ x 24’
7,600
9,300
Oval
15’ x 25’
10,000
11,000
Oval
15’ x 27’
10,700
Oval
15’ x 30’
12,000
Oval
16’ x 32’
13,600
Oval
18’ x 33’
17,400
18,900
Oval
21’ x 38’
19,000
22,100
Oval
21’ x 41’
23,000
25,000
14,800
In-Ground Pools
Average Depth
SHAPE
Pool Size
5’
6’
7’
8’
Rectangle
10’ x 20’
7,500
9,000
10,500
12,000
Rectangle
12’ x 20’
9,000
10,800
12,600
14,400
Rectangle
12’ x 24’
10,800
13,000
15,000
17,300
Rectangle
14’ x 28’
14,700
17,600
20,500
23,500
Rectangle
15’ x 30’
16,900
20,300
23,600
27,000
Rectangle
16’ x 24’
14,400
17,300
20,100
23,000
Rectangle
16’ x 32’
19,200
23,000
26,800
30,600
Rectangle
16’ x 36’
21,600
25,900
30,200
34,500
Rectangle
18’ x 36’
34,300
29,200
34,000
38,800
Rectangle
18’ x 40’
19,200
32,400
37,700
43,100
Rectangle
20’ x 40’
21,600
36,000
41,900
47,900
Rectangle
25’ x 45’
34,300
50,500
58,900
67,300