In stimulate to number out the suitable doses of chemistry for your pool, you require to identify how countless gallons the water the holds. To carry out that, you should use a ruler to measure your swimming pool to uncover out this four various numbers; Length, Width, typical depth and a multiplier the 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 over ground pools.

Rectangular, Square or Free kind Pools:

Length x broad x average Depth x 7.5 = full gallons

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

Circular Pools:

Diameter x Diameter x typical Depth x 5.9 = complete 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 = total gallons

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

How to identify the mean Depth the a swimming Pool whereby the bottom slopes:

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

First measure up the depth that “D”, the shallow end (usually all over from 3′ come 5′), and then measure up the depth that “C”, the deep end (usually anywhere between 6′ and 12′) . Then, add them together and also divide through 2. This is the mean depth of your pool.

For example, if your shallow end “D” is 3′, and your deep end “C” is 8′, this would be her formula because that the average Depth:

3′ + 8′ = 11′

11′ divided by 2 = 5.5.

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

Most usual Sizes the Inground rectangular Pools

Below, we have developed some handy charts that the most famous sizes that poolsand how countless gallons that water space 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 usual Sizes Of over Ground Pools

Above soil Pools through a Depth of 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 the 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 comprehensive Information for You:

If you are not utilizing a cell phone, and also are using a desktop computer, laptop or tablet, us do have a really detailed page with much more information add to an digital Pool Water Calculator top top our standard Pool and Spa desktop computer site.Click here to view our E-Z swimming pool Water Calculator page.

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