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How much water is in a 21 foot above ground pool?

Author

Chloe Ramirez

Updated on March 16, 2026

How much water is in a 21 foot above ground pool?

WATER CAPACITY OF MY POOL
Aboveground Pool Sizes48 Inch Deep52 Inch Deep
18 Ft Round7,645 gallons8,200 gallons
21 Ft Round9,105 gallons10,405 gallons
24 Ft Round11,895 gallons13,595 gallons
27 Ft Round15,050 gallons17,205 gallons

Accordingly, how many gallons of water is in a 12x30 pool?

12x30 intex pool holds how muchwater. Jessica, By my estimation, it holds about 2,gallons. The size just above this one holds 2,gallons. There is information packaged with the pooltoo.

Also, how many gallons of water are in a 18x48 pool? If you are lucky enough to have an Above Ground Pool,or some Inground Pools where the entire bottom is one Depth,it is very easy to figure out the Average Depth. It is just theDepth of the water.

How Many Gallons Of Water Are In My SwimmingPool?

SIZEGALLONS OF WATER
12' Round3,398
15' Round5,310
18' Round7,646
21' Round10,407

Then, how do I calculate how much water is in my pool?

Constant DepthIf your pool has only one depth, you'llmeasure the length and width. to calculate thesurface area of the pool. Then you'll multiply thatnumber by the depth to calculate the volume incubic feet. Then multiply that figure by 7.5 to calculatethe volume of the pool ingallons.

How many gallons are in a 16x48 above ground pool?

Includes 110-120V filter pump with pump flow rate of1500 gallons per hour. Convenient drain plug connects togarden hose so water can be drained away from pool or housearea. Also includes high-impact slip-resistant steps poolladder, ground cloth, debris cover and handheld vacuum.Water capacity: 5061 gal.

How deep is the water in a 48 inch pool?

Round pools typically range from 10 feet to 33feet in diameter, and rectangles and ovals range from 12 x 24 feetto about 18 x 44 feet. Typical above ground pool depths are48 or 52 inches deep. Above-ground poolsrequire a level surface and access to electricity andwater.

How many hours a day should you run your pool pump?

8 hours

How much chlorine do I put in a 5000 gallon pool?

To use the right number of tablets, always round yourpool volume up to the nearest unit of 5,000 gallons.For instance, your pool has a capacity of 20,000gallons, you would add four chlorine tablets. But ifyour pool holds just 16,000 gallons, you'd still usefour, three-inch chlorine tablets. It's thateasy.

How many gallons of water in a 24 foot round pool 52 inches deep?

WATER CAPACITY OF MY POOL
Aboveground Pool Sizes48 Inch Deep52 Inch Deep
24 Ft Round11,895 gallons13,595 gallons
27 Ft Round15,050 gallons17,205 gallons
30 Ft Round18,585 gallons21,240 gallons
33 Ft Round22,485 gallons25,700 gallons

How many gallons is a 12x24 pool?

Standard In-Ground Pool Volumes in Gallons bySize
Pool Size (in feet)3.5 ft Avg Depth4 ft Avg Depth
12x247,6008,600
14x2810,30011,800
15x3011,80013,500

What size pump do I need for my above ground pool?

A 1-1/2 inch diameter pipe can carry about 45 gallons ofwater per minute. This is well above the minimum requirementfor a 14,000 gallon pool. Choose a pool filter andpump with 1.5-inch piping, that is rated for a GPM between30 and 45.

How much chlorine do I add to my pool for the first time?

You may need more tablets than usual at first tobuild an initial residual, and after that about 2 tabs per week,for each 10,000 gallons of pool water. You can buychlorine tablets in 10, 25 or 50 lb.

How much does it cost to fill a pool?

The average cost of a typical 24' roundpool (containing 14,700 gallons) with your water hose isgoing to cost you about $80-$160. These costs aredepending where in the country you live and your local water supplymarkets. You can get exact numbers by calling your local townshipand they will let you know your rates.

Do fire departments fill swimming pools?

The $200 buys 7,000 gallons of water, so fillinga newly installed pool would cost more, but it's a win/winsituation. Backyard swimming pools can be filled much morequickly this way, and the fire department raises funds whichcan be used for necessities like training andequipment.

What is an average pool size?

Most rectangular pools are about twice as long onone side as they are on the other, with an average depth ofaround 5.5 feet. Typical swimming pool dimensions are 10 x20, 15 x 30, and 20 x 40.

Can you shock your pool during the day?

Shocking Your Swimming Pool During TheDay
Shocking gets rid of chloramines andhelps bring your pool's chlorine levels to a well-balanced 3parts per million (ppm). But while daytime is great for enjoyingyour pool, it's the wrong time toshock.

How much baking soda do I put in my pool?

Baking Soda
Bonus Tip: Baking soda will also increase yourpool's alkalinity, and is far less expensive than mostalkalinity increasers. To do this, add 1.5 pounds of bakingsoda. for every 10,000 gallons of water to increase the totalalkalinity by 10 parts per million (ppm).

How much shock do I need for a 10000 gallon pool?

To shock your pool, use 2 pounds ofshock for every 10,000 gallons of water, which shouldraise your chlorine to 10.0 ppm. Depending on your pool, youcan use Leslie's Power Powder Plus or Leslie's Chlor Brite. Aftershocking the pool, run the circulation system for at least 2hours before adding an algaecide.

How much bleach do I use to shock my pool?

Calculate the amount of bleach you need based onthe fact that 1 gallon will raise the free chlorine level of 30,000gallons of water by 2 ppm. If you need to mildly shock a30,000-gallon pool by raising the free chlorineconcentration to 5 ppm, you need 2.5 gallons of bleach. Toraise it to 10 ppm, you need 5 gallons.

How many gallons is an average swimming pool?

Pool Capacity
A 12-by-24-foot rectangular pool with anaverage depth of 5 feet will hold approximately 10,800gallons of water. A 16-by-32-foot pool with the samedepth will hold about 19,200 gallons, and a 20-by-40-footpool will hold 30,000 gallons.

How do I calculate gallons?

Multiply this number by the height to determine thecubic volume in inches. For example, if you have a tank that is 12inches in diameter and 20 inches high, the calculation lookslike this: Divide the cubic volume in inches by 231 in order tofind the number of gallons.

How much does a gallon of water weigh?

8.34 lbs

How Much Is gallon of chlorine?

Generally, you should maintain the pool'schlorine level between 1 and 3 ppm. Thus, if thechlorine level is already 1 ppm and you want it higher, add0.00013 ounces per gallon to raise the chlorine by 1ppm.

How much shock do I need for a 5000 gallon pool?

To double shock, you will need to add 2 poundsfor every 10,000 gallons of water. For instance, if youpool is 20,000 gallons, you will add 4 pounds ofshock. Green or Dark Green Pool Water: This meansthere's a medium amount of algae in your water and you'll need totriple shock your pool.

How many gallons is an Intex 10x30 pool?

Intex Metal Frame Pool holds 1,185gallons at 90 percent capacity. 530 gallon per hourfilter pump.

How much acid do I add to my pool?

If you have a pH reading of 7.8 or higher, and anaverage size (15,000 gallons) in-ground pool, you shouldadd 1/4 gallon (a quart) of muriatic acid, andre-test after the water has circulated for an hour.

How do I calculate the gallons in my pool?

Length x width x depth x 7.5 = volume (ingallons)
Length times width gives the surface area of thepool. Multiplying that by the depth gives the volume incubic feet. Since there are 7.5 gallons in each cubic foot,multiply the cubic feet of the pool by 7.5 to arrive at thevolume of the pool, expressed ingallons.

How do I calculate volume of water in a tank?

You must know the exact length, width and depth.Multiply the length, width and height to find the volume ofthe container in cubic inches. The formula is depth ×length × width = cubic inches. Multiple the number of cubicfeet by 7.48 to calculate the total volume ingallons.

How deep is a 48 pool?

In most cases, a depth of about four feet would be finefor pool owners. Some people though want a pool thatis deeper than that.

How many bags of salt do I need for a 10000 gallon pool?

Adding 8 lbs of Pool Salt will raise saltlevels 100 ppm, per 10,000 gallons of pool water.Likewise, 80 lbs. of pool salt (two 40 lb bags ofpool salt) will raise salt levels by 1000 ppm, per10,000 gallons. For example, a pool of 20,000gallons would need twelve (12) 40 lb.

How long should I run my pool pump?

Swimming pool pumps should be run anaverage 8 hours a day to properly circulate and clean your water.The pump should push your entire pool in gallons inthis 8 hour period of time. However, often times swimmingpool pump horse power is overrated for their size swimmingpool.

How many gallons of water in a 27 foot round pool 52 inches deep?

WATER CAPACITY OF MY POOL
Aboveground Pool Sizes48 Inch Deep52 Inch Deep
18 Ft Round7,645 gallons8,200 gallons
21 Ft Round9,105 gallons10,405 gallons
24 Ft Round11,895 gallons13,595 gallons
27 Ft Round15,050 gallons17,205 gallons

How deep is a 16x48 pool?

Per manufactures website, water depth andcapacity is 42" for 5061 gal. Thank you! My 16x48 inch intexpool has two intake lines.

How deep is a 52 inch pool?

Round pools typically range from 10 feet to 33feet in diameter, and rectangles and ovals range from 12 x 24 feetto about 18 x 44 feet. Typical above ground pool depths are48 or 52 inches deep. Above-ground pools require alevel surface and access to electricity and water.

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