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Pool Volume Calculator

If you have ever struggled trying to keep your pool chemically balanced, you know the importance of the pool volume. Estimating the volume of your pool is one of the first steps of being able to determine the accurate amount of corrective chemicals needed for a given situation. Please fill in all areas below, entering numbers only for dimension entries.

Calculating Pool Capacity

Oval Pool

Long Diameter x Short Diameter x Avg. Depth x 5.9 = Gallons

calculating-pool-capacity

Round Pool

Diameter x Diameter x Average Depth x 5.9 = Gallons

calculating-pool-capacity

Pool Volume

0000.00 (US Gallons)

Enter pool Dimensions

feet
feet
feet
feet

Please note: Pool calculations below have been rounded off to be used as a quick guide for easy pool maintenance.
For exact calculations please use the calculator above.

Pool Capacity Cheatsheet

Poolsize Round Capacity (Gallons) Poolsize Oval Capacity (Gallons)
12 Round 3,000 8×12,8×14 3,000
15 Round 5,000 10×15, 10×16 3,500
18 Round 7,500 10×21, 12×18 5,000
21 Round 10,000 12×20, 12×21 6,500
24 Round 13,000 12×24, 14×20 7,500
27 Round 17,000 15×24 10,000
30 Round 21,000 15×30 12,000
33 Round 25,000 18×33 16,000
    18×40 19,000
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