How Can I Determine the Volume of My Swimming Pool?

Modified on Wed, 31 May, 2023 at 3:28 PM

During setup you will be asked for the volume of your swimming pool. We know that this volume will vary based upon evaporation and the level that you like to keep it at. However, here are some guidelines on how to calculate the volume of your pool based upon its geometric shape.

Pool Shape	Calculation	Example Calculation
Rectangular Pool	Add the depth of the deep end and the depth of the shallow end, then divide by 2 to find your average depth. Multiply the length times the width, then multiply by the average depth from the previous step Finally, multiply by 7.5	A pool that’s 30 feet long and 15 feet wide, with an average depth of 5 feet, would be 30 x 15 x 5 x 7.5 = 16,875 gallons
Oval/Round Pool	Multiply the long diameter and short diameter(length across), then multiply by the average depth and 5.9 If your pool is an exact circle simply multiply the diameter by itself, then multiply by the average depth and 5.9	An oval pool that has a long diameter of 20 feet and a short diameter of 10 feet and is an average of 4 feet deep would be 20 x 10 x 4 x 5.9 = 4,720 gallons
Kidney-Shaped Pool	You first need to calculate the surface area by adding the distance across from the two widest points together. Multiply the surface area by the length and 0.45 to calculate the total area. Multiply the total area by the average depth and 7.5 to get the volume of your pool	A Kidney Shaped Pool with 25 ft and 15 ft diameters, a length of 35.525 ft and an average depth of 6 ft would be (25 + 15) x 35.525 x 6 x 7.5 = 28,775 gallons

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