Pool gallons by size
Standard pool sizes and how much water they hold. Each page has the volume at three depths and chemical doses for that exact pool.
Round above-ground pools
10 ft round pool
About 2,360 gallons at 4 ft
12 ft round pool
About 3,398 gallons at 4 ft
15 ft round pool
About 5,310 gallons at 4 ft
18 ft round pool
About 7,646 gallons at 4 ft
21 ft round pool
About 10,408 gallons at 4 ft
24 ft round pool
About 13,594 gallons at 4 ft
27 ft round pool
About 17,204 gallons at 4 ft
30 ft round pool
About 21,240 gallons at 4 ft
33 ft round pool
About 25,700 gallons at 4 ft
Oval above-ground pools
12x24 oval pool
About 6,797 gallons at 4 ft
15x30 oval pool
About 10,620 gallons at 4 ft
16x32 oval pool
About 12,083 gallons at 4 ft
18x33 oval pool
About 14,018 gallons at 4 ft