Aboveground Pools - based on 52" wall height
pools, flat bottom (ACTUAL average approximate water depth of 44";
this is the true fill, not the capacity)
Pool Size |
US Gallons |
Liters |
Surface Area (sq.
ft.) |
12 ft. Rnd |
3,200 |
12,113 |
113 |
15 ft. Rnd |
5,000 |
18,927 |
177 |
18 ft. Rnd |
7,200 |
27,255 |
255 |
21 ft. Rnd |
9,800 |
37,096 |
380 |
24 ft. Rnd |
12,800 |
48,453 |
453 |
27 ft. Rnd |
16,200 |
61,323 |
572 |
30 ft. Rnd |
20,000 |
75,708 |
707 |
12 ft x24 ft Oval |
6,400 |
24,226 |
240 |
15 ft x24 ft Oval |
8,000 |
30,283 |
330 |
15 ft x 30 ft Oval |
10,000 |
37,854 |
410 |
18 ft x 33 ft Oval |
13,000 |
49,210 |
550 |
Inground Pools - based on a typical,
rectangular (2 ft. radius corners), vinyl liner construction (ANSI / NSPI
standard Type 1 Pool, 16x32 and larger; smaller pools are Type 0 with deep
depth of 5'6") , with average wall height of 42", shallow end water fill of
36" depth and a deep end water fill depth of 7'6" (90"). Gallonage
also takes typical piping & filtration system (100 lineal feet of pipe plus
filter capacity) into consideration.
Pool Size |
US Gallons |
Liters |
Surface Area (sq.
ft.) |
12 ft x 24 ft |
8,900 |
33,690 |
288 |
14 ft x 28 ft |
12,000 |
45,424 |
392 |
15 ft x 30 ft |
13,800 |
52,239 |
450 |
16 ft x 32 ft |
21,200 |
80,250 |
512 |
16 ft x 36 ft |
23,900 |
90,471 |
576 |
18 ft x 36 ft |
26,900 |
101,827 |
648 |
20 ft x 40 ft |
33,000 |
124,918 |
800 |
20 ft x 44 ft |
36,700 |
138,924 |
880 |
Gallonage Calculations (US gallons):
Rectangular Pools - length x width x average depth x 7.5
Round, Oval & Free-form Pools - aver. length x aver. width x aver. depth x
5.9 Convert to Liters:
Gallons multiplied by 3.7854 = total liters
Information used by permission. |