Why do you require to understand you Pool"s Water Volume?

In bespeak to number out appropriate doses of chemicals for her pool, you have to accurately recognize how countless gallons that water the holds. To execute that, you need to recognize four different numbers: the length, width, average depth, and a multiplier because that your kind of pool.




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Here is the pool volume formula:

Length x broad x mean Depth x Multiplier = Volume in us Gallons

Determine the Multiplier:

Multiplier = 7.5 for Rectangle, Square, or Free-Form pools Multiplier = 5.9 for Round or Oval pools

Determine the median Depth:

To identify the median depth in a pool whereby the bottom slopes, measure the shallow end, the deep end depth. Include them together and also divide by 2 (2).Example: Shallow end = 2ft. Deep end = 10ft 2ft + 10ft = 12ft; 12/2 = 6ft average depth


Standard In-Ground Pool volumes in Gallons through Size
Pool Size(in feet) 3.5 ft Avg Depth 4 ft Avg Depth 4.5 ft Avg Depth 5 ft Avg Depth
12x24 7,600 8,600 9,700 10,800
14x28 10,300 11,800 13,200 14,700
15x30 11,800 13,500 15,200 16,900
16x32 13,400 15,400 17,300 19,200
18x36 17,000 19,400 21,900 24,300
19x38 19,000 21,700 24,400 27,100
20x40 21,000 24,000 27,000 30,000
22x44 25,400 29,000 32,700 36,300
25x45 29,531 33,750 37,968 42,187
25x50 32,800 37,500 42,200 46,900
30x50 39,375 45,000 50,525 56,250

Javascript requirements to be permitted to use this pool volume calculator.

Use this swimming pool Volume Calculator!!

(works v Square, Rectangle, Grecian, roman inn & is a an excellent approximation for Ovals & Freeform pools)
Length in feet
Width in feet
Depth (deep end)
Depth (shallow end)
Approximate united state gallons
Approximate UK gallons



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above Ground Swimming swimming pool Water volumes by size
Size 48in Wall* 52in Wall*
12ft Round 2,975 gals 3,398 gals
15ft Round 4,646 gals 5,310 gals
18ft Round 7,646 gals 8,602 gals
21ft Round 9,106 gals 10,408 gals
24ft Round 11,895 gals 13,594 gals
27ft Round 15,054 gals 17,205 gals
30ft Round 18,585 gals 21,240 gals
33ft Round 22,488 gals 25,700 gals
12x24ft Oval 5,948 gals 6,797 gals
15x30ft Oval 9,293 gals 10,620 gals
16x32ft Oval 10,573 gals 12,084 gals
18x33ft Oval 12,267 gals 14,019 gals
* presume water depth is 6 inches much less than wall surface height

Round Swimming swimming pool Volume Calculator

Javascript demands to be permitted to usage this swimming pool volume calculator.

Diameter in Feet Depth (deep end) in Feet Depth (shallow end) in Feet Approximate us gallons approximate UK Gallons