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 x 24 ft Oval 
6,400 
24,226 
240 
15 ft x 24 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 & Freeform Pools  aver. length x aver. width x aver. depth x
5.9 Convert to Liters:
Gallons multiplied by 3.7854 = total liters If you still need help, here's how to
reach us:
Telephone (during
store hours): Shelton 2033770100 Email:
techhelp@parpoolspa.com
