In bespeak to number out the ideal doses of chemicals for your pool, you require to determine how plenty of gallons the water the holds. To do that, you should use a leader to measure up your pool to discover out these four different numbers; Length, Width, average depth and also a multiplier that determines gallons.

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So here are the formulas to figure out exactly how much water is in your swimming pool:These formulas hold true for both Inground pools too as above ground pools.

Rectangular, Square or Free type Pools:

Length x width x typical Depth x 7.5 = total gallons

For example: 16′ x 32′ x 4.5′ x 7.5 = 17,280 Gallons

Circular Pools:

Diameter x Diameter x average Depth x 5.9 = total gallons

For example: 18′ x 18′ x 4′ x 5.9 = 7,646 Gallons

Oval Pools:

Length x width x average Depth x 5.9 = full gallons

For example: 15′ x 30′ x 4′ x 5.9 = 10,620 Gallons

How to determine the mean Depth that a swim Pool where the bottom slopes:

Below is a side-shot of the “typical” inground swimming pool that has actually a shallow finish (see “D”), then a slope the leads into the deep finish (see “C”).

First measure up the depth of “D”, the shallow finish (usually everywhere from 3′ come 5′), and also then measure the depth of “C”, the deep finish (usually anywhere between 6′ and 12′) . Then, include them together and divide by 2. This is the typical depth of your pool.

For example, if your shallow finish “D” is 3′, and your deep finish “C” is 8′, this would certainly be your formula for the median Depth:

3′ + 8′ = 11′

11′ separated by 2 = 5.5.

Therefore, in this example, your average depth would be 5 1/2 feet.

Most typical Sizes the Inground rectangle-shaped Pools

Below, we have created some handy charts that the most popular sizes of poolsand how numerous gallons that water are in them.

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 POOL SIZE 4′ AVG. DEPTH 4.5′ AVG. DEPTH 5′ AVG. DEPTH 5.5′ AVG. DEPTH 6′ AVG. DEPTH 12′ X 24′ 8,640 9,720 10,800 11,880 12,960 14′ X 28′ 11,760 13,230 14,700 16,170 17,640 15′ X 30′ 13,500 15,200 19,900 18,600 20,250 16′ X 32′ 15,400 17,300 19,200 21,100 23,040 18′ X 36′ 19,400 21,900 24,300 26,700 29,160 20′ X 40′ 24,000 27,000 30,000 33,000 36,000 25′ X 45′ 33,750 37,968 42,187 46,406 50,625 25′ X 50′ 37,500 42,200 46,900 51,600 56,250 30′ X 50′ 45,000 50,525 56,250 61,875 67,500

Most common Sizes Of above Ground Pools

### Above soil Pools with a Depth that 48″ (4′)

 SIZE GALLONS of WATER 12′ Round 3,398 15′ Round 5,310 18′ Round 7,646 21′ Round 10,407 24′ Round 13,593 27′ Round 17,204 28′ Round 18,502 30′ Round 21,240 33′ Round 25,700 15′ x 30′ Oval 10,620

 SIZE GALLONS that WATER 12′ Round 3,823 15′ Round 5,973 18′ Round 8,602 21′ Round 11,708 24′ Round 15,292 27′ Round 19,354 28′ Round 20,815 30′ Round 23,895 33′ Round 28,912 15′ x 30′ Oval 11,947

### More detailed Information for You:

If you room not making use of a cabinet phone, and are using a desktop computer, laptop or tablet, us do have a really detailed web page with much more information add to an virtual Pool Water Calculator on our classic Pool and also Spa desktop site.Click here to check out our E-Z pool Water Calculator page.

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