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Calculate How Many Gallons Is My Outdoor In Ground Pool?

by Theresa Connolly
(Phoenix AZ )

I estimate that my pool is 22' by 8' and it is a diving pool....so the deep end is pretty deep. The shallow end seems to be about around 3 and a half deep.

The deep end must be at least 8 or 9 feet deep. I tried to estimate the depth myself, but I get confused? I came up with around 40,000 once and 8,000 another time. So now I am really really confused...:)

Can you help me figure out the gallons in my pool.

Thank you

Theresa

Thanks for your question Theresa

Figuring the gallons in your pool is pretty simple, once you have the correct formula for your calculations.

For a rectangle pool:

(Deep End + Shallow End) divided by 2 = Average Depth

Average Depth X Length X Width X 7.48 = Gallons

For a round pool:

Depth X Diameter (squared) x 5.9 = Gallons


Free form pool:

(Deep End + Shallow End) divided by 2 = Average Depth

(Width A + Width B + Width C + ...) divided by (number of measurements) = Average Width

Average Depth X Length X Average Width X 7.48 = Gallons

So I will assume that your pool is a rectangle pool, or pretty close to it. Let's take a look at the calculations:

22' by 8'

Shallow end is 3.5' and deep-end is 9'.

3.5 + 9 = 12.5'

12.5' divided by 2 = 6.25' Average Depth

Average Depth (6.25) X Length X Width X 7.48 = 8,228 gallons.

If your pool is not a rectangle pool, then using one of the other above calculations will work just as well.

Hope this helps and have a great Summer

Robert

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