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How Much Water Does My Pool Need?

WATER CAPACITY OF MY POOL

Please use the charts below for your pool water capacity. After initial fill up of your pool, you will only need to replace water from evaporation, filter backwashing or splash.

Make sure during the year to have your pool water checked, on opening your pool, mid season and closing, for proper chemical levels. All our stores are set up for FREE WATER TESTING.

In order to figure out how to properly does chemicals for your pool, it is often needed to determine approximately how many gallons of water your pool holds. You will also need to know how many gallons of water your pool contains if you choose to add a pool heater, heat pump or solar heater.

In order to figure out how to properly does chemicals for your pool, it is often needed to determine approximately how many gallons of water your pool holds. You will also need to know how many gallons of water your pool contains if you choose to add a pool heater, heat pump or solar heater.

Aboveground Pool Sizes48 Inch Deep52 Inch Deep54 Inch Deep
12 Ft Round2,975 gallons 3,395 gallons3,825 gallons
15 Ft Round4,645 gallons5,310 gallons5,975 gallons
18 Ft Round7,645 gallons8,200 gallons8,600 gallons
21 Ft Round9,105 gallons10,405 gallons11,700 gallons
24 Ft Round11,895 gallons13,595 gallons15,209 gallons
27 Ft Round15,050 gallons17,205 gallons19,350 gallons
30 Ft Round18,585 gallons21,240 gallons23,900 gallons
33 Ft Round22,485 gallons25,700 gallons28,900 gallons
8' X 12' Oval2,265 gallons2,435 gallons2,550 gallons
10' X 15' Oval3,540 gallons3,805 gallons3,990 gallons
12' X 18' Oval5,095 gallons5,480 gallons5,740 gallons
12' X 24' Oval5,945 gallons6,795 gallons7,850 gallons
15' X 21' Oval7,440 gallons7,990 gallons8,360 gallons
15' X 24' Oval8,465 gallons9,135 gallons9,580 gallons
15' X 30' Oval9,295 gallons10,620 gallons11,950 gallons
16' X 32' Oval10,575 gallons12,085 gallons13,580 gallons
18' X 24' Oval10,200 gallons10,950 gallons12,750 gallons
18' X 33' Oval12,265 gallons14,020 gallons15,770 gallons
18' X 39' Oval17,360 gallons17,800 gallons18,600 gallons
In Ground Pool SizesWith 6' Deep EndWith 7' Deep EndWith 8' Deep End
16' X 32' Rectangle15,360 Gallons19,200 Gallons21,210 Gallons
18' X 36' Rectangle19,440 Gallons24,300 Gallons26.700 Gallons
20' X 40' Rectangle24,000 Gallons30,000 gallons33,000 Gallons

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