How big is a 10 000 gallon pool

1 What Are the Dimensions of a 30,000 Gallon Pool? 1.1 The Benefits of Owning a 30,000 Gallon Pool; 2 30,000 Gallon Pools: Benefits and Uses. 2.1 Types of Materials to Build a 30,000 Gallon Pool; 2.2 Installing an Above-Ground vs. In-Ground 30,000 Gallon Pool; 3 Building a Permanent in-Ground or Above Ground 30,000 Gallon Pool. 3.1 Managing A ...

That numeric result is the number of gallons of water you need to pump per hour. Since most pool pumps are sold in GPM – gallons per minute – divide that last number by 60 to achieve your final result. Using a 10,000 gallon pool as an example, you would first divide 10,000 by 8 to get the GPH – 1,250.A 20000-gallon pool measures approximately 40ft x 20ft x 5ft (LxWxD). Dimensions determine swimming space and maintenance costs. Consider the surrounding area and pool material’s durability before installation. Install safety measures such as fences, gates, and alarms for peace of mind.9m x 4m pools which would fit an area of 36m². 10m x 4m pools which would fit an area of 40m². Aside from the size of the pool, you should also consider the shape you want it to …5000 Gallon Pool – 100 sq. ft. 10000 Gallon Pool – 200 sq. ft. 12000 Gallon Pool – 200-300 sq. ft. 15000 Gallon Pool – 200-300 sq. ft. 20000 Gallon Pool – 300-400 sq. ft. 25000 Gallon Pool – 400 sq. ft. 30000 Gallon Pool – 400-500 sq. ft. 40000 Gallon Pool – ≥ 500 or Dual Filter System * The first number is how many gallons of ...So, when considering some of the more popular sizes of above ground pools, a 24-foot round pool has roughly 13,593 gallons of water and a 15 x 30-foot oval pool has about 10,000 gallons. This means for a 24-foot round pool, you need a pump that circulates 27,186 gallons per day.Cons. - If you use sand media, 20 microns is actually pretty inefficient compared to the 5 microns of Zeosand and glass filter. - Sand media and Zeosand need to be replaced every 5 years. - To clean your sand filter, you need to backwash it—keep an eye on the pressure gauge to know when.Rectangular or Square Pool Length x Width. Round or Circular Pool 3.14 × Radius 2. Oval Pool 3.14 x Length x Width x 0.25. Kidney-Shaped Pool Measure the widest point in both halves of the kidney shape to get your A and B width measurements. Then plug those measurements into the equation below: (Width A + Width B) x Length x 0.45Home renovation and real estate shows almost always paint backyard pools in a positive light, but they come with significant maintenance, repair, and insurance costs that you may n...

(click here now) Here is the pool volume formula: Length x Width x Average Depth x Multiplier = Volume in US Gallons. Determine the Multiplier: Multiplier = 7.5 for Rectangle, Square, or Free-Form pools. Multiplier = 5.9 for Round or Oval pools. Determine the Average Depth:A 20-by-40-feet pool with an average depth of 5 feet holds 21,600 gallons of water. The same shape pool with an average depth of 6 feet holds 36,000 gallons. A 20-by-40-feet pool w...How To Calculate The Volume Of Your Pool. To calculate the volume in cubic feet you multiply the surface area by the average depth. example : 800 x 3 = 2400 cubic feet. Convert to gallons. Volume = 7.5 x the calculated pool volume. 7.5 is a constant used to covert the volume to gallons. Using our example of a square pool: 7.5 x = …Nov 4, 2019 · If your pool volume is 15,000 gallons, then one turnover would be equal to 15,000 gallons. This turnover is required every 12 hours, or twice a day. Pumps, on the other hand, use a slightly different description of "gallons per minute" or GPM. Think of this a little like the miles per gallon (MPG) quoted as gas mileage on your car. Jun 5, 2023 · A 20000-gallon pool measures approximately 40ft x 20ft x 5ft (LxWxD). Dimensions determine swimming space and maintenance costs. Consider the surrounding area and pool material’s durability before installation. Install safety measures such as fences, gates, and alarms for peace of mind.

How big does a cartridge pool filter need to be? Most inground and above ground pools have 4 or 5 sizes, depending on the flow rate or GPH (Gallon Per Hour) level that the pool pump puts out. The rule of thumb for a cartridge pool filter is that you need to acquire 100 square feet of filter per 10,000 gallons of water.What is the volume of my pool? Using the formula for ovals, let’s break it down: Oval – Longest Diameter x Shortest Diameter x Average Depth x 6.7. 36 Feet x 18 Feet x 5.5 x 6.7 = 23 878.8 gallons. For the sake of having a nice round number moving forward, we will round the sum product up to 24,000 gallons of water.20,000 gallons x 8.3 lbs / gallon = 166,000 lbs of water that needs to be heated. Since it takes one Btu to heat one pound of water by a single degree, we now know that raising this entire 20,000-gallon pool by one degree will require 166,000 Btu of heat energy. If you want to raise the water temperature by 10 degrees, you would need …For a 10,000 gallon pool with an 8-hour turnover rate, the required flow rate is 1,250 GPH. Selecting Your Pump Size: Finally, you can choose a pump size that meets …In-Ground Pool Sizes with Varying Average Depths: POOL SIZE GALLONS WITH 4 SHALLOW & 7 to 9 DEEP END AVERAGE. 12 x 24 9,500 TO 11,000 gallons 14 x 28 13,000 TO 15,000 gallons 15 x 30 13,900 TO 15,200 gallons. Why You Need A Variable Speed Pool Pump ... How Big Is A 30 Ft Swimming Pool.

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The size of the pool heater required for a 16×32 inground pool depends on the pool volume. For a standard 16×32 pool with an average depth of 5 feet (about 21,000 gallons), you would need a heater with approximately 105,000 watts (21,000 gallons x 5 watts/gallon) or 105 kW to efficiently maintain the desired temperature.2.0. 73. 2.5. 120. But remember, the plumbing system in your swimming pool might be different in size. Some pipes might be smaller or bigger than your samples. So, while estimating its maximum flow rate, take the smallest value you get. It will help you avoid the risk of damaging the system.Teal green pool water: This is a smaller or newer algae bloom. You should double shock your pool and use two pounds of shock for every 10,000 gallons of pool water. Dark green pool water: This algae has had time to grow significantly. You need to triple shock your pool and use three pounds of shock for every 10,000 gallons.Use the Clorox® Pool&Spa™ pool gallon calculator to determine the volume or capacity of your swimming pool ... Knowing your pool volume gallonage ... Pool Length ( ...(click here now) Here is the pool volume formula: Length x Width x Average Depth x Multiplier = Volume in US Gallons. Determine the Multiplier: Multiplier = 7.5 for Rectangle, Square, or Free-Form pools. Multiplier = 5.9 for Round or Oval pools. Determine the Average Depth:

Nov 16, 2020 · The surface area of a swimming pool in feet 2 can be calculated as follows: Circular pools: radius x radius x 3.14. Oval-shaped pools: (0.5 x length) x (0.5 width) x 3.14. Kidney-shaped pools: length x width x 0.75. Rectangular pools: length x width. The required BTU output per hour is calculated as follows: Most pool chemical products will have dosage instructions based on the number of gallons in the pool. For example, if you have a 20, 000 gallon pool, and the chemical instructions call for 1 ounce of chemical per 10, 000 gallons, you would add 2 ounces of chemical to your pool. Determine how many gallons you need to pump per hour to clean all the water in your pool in eight hours. Divide the gallons of water your pool holds (answer from step 1) by eight. Using the example number of gallons previously given, this equation would look as follows: 24,000 gallons ÷ 8 hours = 3,000. As pumps are labeled with how many ... If your pool volume is 15,000 gallons, then one turnover would be equal to 15,000 gallons. This turnover is required every 12 hours, or twice a day. Pumps, on the other hand, use a slightly different description of "gallons per minute" or GPM. Think of this a little like the miles per gallon (MPG) quoted as gas mileage on your car.Question: How much sodium thiosulfate do I use to lower my chlorine level that is at 10 of my 35000-gallon pool? Answer: To bring the chlorine reading from 10ppm to 4pmm add 1.31 pounds of sodium thiosulfate to 35,000 gallons of water. Question: I have a 30,000-gallon pool. The T/A is 120, and the pH is 8.0.How big of a sand filter for a 20,000 gallon pool? For a 20,000 gallon pool, a sand filter with around 3 square feet of filter area could be appropriate. What size pool filter for a 12,000 gallon pool? A filter with about 1.8 to 2 square feet of filter area should work for a 12,000 gallon pool.300. Desired Pool Stabilizer: 70. 0. 300. Recommended 60-80ppm. Calculate. PLEASE FILL IN ALL FIELDS! The main purpose of stabilizer (also known as Cyanuric Acid, CYA or Conditioner) in the water is to protect chlorine from the destructive Ultraviolet (UV) rays of the sun. Without stabilizer in the swimming pool, the UV rays of the sun will ...A smaller rectangular pool measuring 12 x 24 that reaches 5-feet deep typically holds up to 10,800 gallons of water. A larger 16 x 32-foot pool with 5-feet in depth can hold 19,200 gallons of water. A 20 x 40-foot pool can hold nearly 30,000 gallons of water, on average. Of course, not every homeowner will want a rectangular backyard pool.How big is 1 swimming pool? How many gallons are in 1 Olympic-size swimming pool? This simple calculator will allow you to easily convert 1 pools to gal. ... ≈ 6.6043 x 10 5 gallons. Swimming Pools. An Olympic size swimming pool is 50 meters in length, 25 meters in width, and a minimum of 2 meters in depth. ...

Take that number and divide by 60 to get the gallons per minute (gpm). For example, if you have a 100,000 gallon pool and want to turn over all of the water in 8 hours, your formula would be 100,000/8 = 12500 gph and then 12500/60 = about 208 gpm. In this example, your pool pump would ideally be sized properly to output 208 gpm.

Surface Area of an Odd-Shaped Pool. Calculate a pool's surface area from the volume and the depth of the pool. Some pool owners don't know what the surface area of their pool is, but they do know the amount of water it takes to fill the pool. If you can calculate pool volume from square footage and average depth, you can get a reasonable ... You need to figure out the right size for your pool. Our guide will help you understand everything about sizing a pool heater calculator. Skip to content. Pool Maintenance; Pool Equipment; Blog; ... Pool Size: Pool Volume (Gallons) Desired Temperature Rise (°F) Heater Size Needed (BTUs) Small (up to 12 ft) 1,000 – 5,000: 1 …Feb 13, 2024 · To find the number of BTUs needed to heat a pool to 80 degrees Fahrenheit on a typical 70-degree day, you should multiply your pool's number of gallons by four. So, a 15,000-gallon pool will need a pool heater size that can accommodate at least 60,000 BTUs to heat it during a 70-degree day because 15,000 x 4 = 60,000. Minimum BTUs Needed for 60 ... The cost to install an inground pool is $35,000 on average and can range from $28,000 to $55,000 and sometimes upwards of $65,000 for special customizations and extra features. An added hot tub ...Cartridge filters are a lot bigger and a little less exact. Typically, you’re going to average 0.3 to 0.35 GPM per square foot of surface area. 100 square feet surface area = 32-38 GPM. 200 square feet surface area = 55-75 GPM. 300 square feet surface area = 80-112 GPM. 400 square feet surface area = 100-150 GPM.Fill in the deep and shallow end depths: Calculate Pool Volume: Deep End: metres. Shallow End: metres. litres. Select the pool shape and fill in the appropriate fields: Rectangular.Apr 1, 2023 · Gallons per Hour: You should aim for a sand filter that can handle at least the entire volume of your pool in gallons in eight hours or less. This is often expressed as “gallons per hour” (GPH). To calculate the GPH you need, divide the number of gallons in your pool by eight. Mar 18, 2023 · The recommended horsepower for a 30,000-gallon pool can vary depending on factors such as the desired turnover rate, pool size and volume, and plumbing and equipment setup. However, as a general guideline, a pump with a minimum of 1.5 horsepower (HP) and a maximum of 2.5 HP is typically suitable for most 30,000-gallon pools.

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How Big Is a 10 000 Gallon Pool Get link; Facebook; Twitter; Pinterest; Email; Other Apps - April 15, 2022 We Just Finished Recycling This 15 000 Gallon Swimming Pool Who Wants To Go Swimming Rectangular Pool Backyard Pool 10 000 Gallons Of Recycled Swimming Pool Water Swimming Pool Water Pool Swimming PoolsA typical 20,000 gallon pool is rectangular in shape and measures approximately 30 feet long by 15 feet wide. The exact size will vary depending on the design of your particular pool but it typically runs between 25 and 40 feet in length and 10 and 20 feet in width.Your pool volume. 2. Apply the Rule of Thumb. Now, the general rule of thumb for 3-inch tablets is to use 1 tablet for every 5,000 gallons of water your pool holds, per week. This number is also rounded up to the nearest 5,000 increments. For example: You need 1 tablet for a 5,000-gallon pool. You need 2 tablets for a 9,000-gallon pool (rounded up)What is the volume of my pool? Using the formula for ovals, let’s break it down: Oval – Longest Diameter x Shortest Diameter x Average Depth x 6.7. 36 Feet x 18 Feet x 5.5 x 6.7 = 23 878.8 gallons. For the sake of having a nice round number moving forward, we will round the sum product up to 24,000 gallons of water.That numeric result is the number of gallons of water you need to pump per hour. Since most pool pumps are sold in GPM – gallons per minute – divide that last number by 60 to achieve your final result. Using a 10,000 gallon pool as an example, you would first divide 10,000 by 8 to get the GPH – 1,250.Test Your Pool Water: Before adding liquid chlorine to your pool, use a reliable pool water test kit to measure the current chlorine level. The ideal chlorine range for most pools is between 1.0 to 3.0 parts per million (ppm). Determine Required Dosage: Calculate the amount of liquid chlorine needed to raise the chlorine level to the desired ...Feb 27, 2023 · To calculate the pump size for a 30,000-gallon pool, you will need to determine the desired flow rate and turnover time. For optimal filtration and circulation, it is recommended to have a flow rate of at least 60 gallons per minute and a turnover time of 8 hours. How Big Is a 10 000 Gallon Pool Get link; Facebook; Twitter; Pinterest; Email; Other Apps - April 15, 2022 We Just Finished Recycling This 15 000 Gallon Swimming Pool Who Wants To Go Swimming Rectangular Pool Backyard Pool 10 000 Gallons Of Recycled Swimming Pool Water Swimming Pool Water Pool Swimming PoolsThere are 8.33 pounds of water per gallon. That means that if you have a swimming pool that holds 20,000 gallons, it requires 166,000 BTUs to increase by one degree. What size heat pump do I need for a 20000 gallon pool? We would recommend at least an 85,000 BTU heat pump for a 20,000 gallon pool. ….

Advertisement The combination of all of the versions of all of the genes in a species is called the gene pool of the species. Because the DNA of a fruit fly is understood very well...A 20000 gallon pool holds exactly 20,000 gallons of water. This is equivalent to 75,708 liters or 5,283 cubic feet. It is important to note that the water level may vary depending on the depth and shape of the pool, as well as the amount of debris or other materials present in the water.20,000 gallons x 8.3 lbs / gallon = 166,000 lbs of water that needs to be heated. Since it takes one Btu to heat one pound of water by a single degree, we now know that raising this entire 20,000-gallon pool by one degree will require 166,000 Btu of heat energy. If you want to raise the water temperature by 10 degrees, you would need …For a true Olympic-sized pool, you're looking at a shape that's 164 feet long and about 80 feet wide, accommodating 10 lanes that are each 8 feet wide. Lobe adds these pools are at a minimum of 7 feet deep, ranging up to 10 feet, which allows for competitive swimming, diving, and water polo. If you're really into water sports and competing, a ... Determine how many gallons you need to pump per hour to clean all the water in your pool in eight hours. Divide the gallons of water your pool holds (answer from step 1) by eight. Using the example number of gallons previously given, this equation would look as follows: 24,000 gallons ÷ 8 hours = 3,000. As pumps are labeled with how many ... Prices at the pump are dropping, and some forecasts have a gallon of gas heading toward $3 a gallon. By clicking "TRY IT", I agree to receive newsletters and promotions from Money ...Sand filters: Require a flow rate of 50-75 gallons per minute per square foot of filter area; Cartridge filters: Require a flow rate of 25-35 gallons per minute per cartridge DE filters: Require a flow rate of 2-4 gallons per minute per square foot of filter area Plumbing and Pipe Size. The diameter of your pool’s plumbing pipes will also impact …15′ x 30′ Oval ~ 10,620 gallons 16′ x 32′ Oval ~ 12,084 gallons 18′ x 33′ Oval ~ 14,019 gallons. In-Ground Pool Sizes with Varying Average Depths: POOL SIZE GALLONS WITH 4′ SHALLOW & 7′ to 9′ DEEP END AVERAGE. 12′ x 24′ 9,500 TO 11,000 gallons 14′ x 28′ 13,000 TO 15,000 gallons 15′ x 30′ 13,900 TO 15,200 gallons How big is a 10 000 gallon pool, SPARTAN DEVELOPED INTERNATIONAL INDEX POOL E- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks, Suppose you are filling an Olympic-size swimming pool at a rate of 16,000 gallons per hour. The pool will hold a total of 648,000. Use the image to answer the question. An illustration shows two graphs depicting cost of gasoline per gallon in dollars in store. Sarina is mixing paint. If she adds 14 gallon blue, 14 gallon red, and 14 gallon ..., Whether you have an established pool cleaning business or you're just getting started, our pool cleaning tools list will help ensure you have everything you need. If you buy someth..., Customers at a cafe in Germany were asked to wear pool noodle hats to enforce social distancing and we were blessed with this viral photo. So, of course, we had to test it., For example, a 20,000-gallon pool will need significantly more chemicals than a 5,000-gallon above-ground pool. The most effective way to determine the pool’s volume is by looking at the build schematics or asking the builder for that information if they still have it. Otherwise, we can get a pretty good estimate by using a pool volume ..., Deep End Depth = 12 feet. 4 + 12 = 16 feet. 16 feet ÷ 2 = 8. The average depth of the pool in this example is 8 feet. To determine the volume of water, use the formula for the shape of the pool you have: Circular Pools: Diameter (ft.) x Diameter (ft.) x Average Depth (ft.) x 5.9 = Total pool capacity in gallons., Assuming your swimming pool is 24ft long and 15ft wide and a depth of 10.5ft, its volume would be: 24ft x 15ft x 10.5ft x 7.5 = 28,350 Gallons. The required minimum flow rate for 2 (6-hour) cycles is: 28,350 Gallons / (6 hours x 60) minutes = 78.75 GPM. Your swimming pool filter must supply 78.75 gallons per minute to meet the two …, Pool Size. 12’ 15’ 18’ 20’ 21’ 24’ 28’ 30’. 11’ x 18’ 12’ x 24’ 15’ x 25’ 15’ x 27’ 15’ x 30’ 16’ x 32’ 18’ x 33’ 21’ x 38’ 21’ x 41’. 36” 42”. 2,500 4,000 4,600. in-Ground PoolS. 48”. 3,400 …, A smaller rectangular pool measuring 12 x 24 that reaches 5-feet deep typically holds up to 10,800 gallons of water. A larger 16 x 32-foot pool with 5-feet in depth can hold 19,200 gallons of water. A 20 x 40-foot pool can hold nearly 30,000 gallons of water, on average. Of course, not every homeowner will want a rectangular backyard pool., Aug 16, 2023 · According to official regulations by FINA (World Aquatics), Olympic-size swimming pools are 164 feet long (50 meters), 82 feet wide (25 meters), and 7-10 feet deep. That is over 500,000 gallons of water! Standard Lap Pool Dimensions. Standard lap pools are long and narrow, designed explicitly for people to swim laps. , Standard pool dimensions usually measure something like 10 x 20, 15 x 30, and 20 x 40, with an average depth around 5.5 feet. 10 x 20 is considered a small in-ground pool, while a 20 x 40-foot pool is on the larger side of things. On average, a 20 x 40-foot pool can hold up to 30,000 gallons., 5000 Gallon Pool – 100 sq. ft. 10000 Gallon Pool – 200 sq. ft. 12000 Gallon Pool – 200-300 sq. ft. 15000 Gallon Pool – 200-300 sq. ft. 20000 Gallon Pool – 300-400 sq. ft. 25000 Gallon Pool – 400 sq. ft. 30000 Gallon Pool – 400-500 sq. ft. 40000 Gallon Pool – ≥ 500 or Dual Filter System * The first number is how many gallons of ... , SPARTAN COMMODITY INDEX POOL- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks, Subtract this temperature from your desired temperature of 85°F. 85°F – 73°F = 12°F. Next, divide the 12°F by 8, which is the number of hours required to fully heat the pool. 12°F ÷ 8 (hours) = 1.5° per hour. So, the heater has to raise the water temperature 1.5° per hour in order to heat the pool in 8 hours. Step 3., When choosing a pool filter for your above ground pool, there's a helpful rule of thumb to keep in mind: Sand filters: at least 1 square foot of filter area per 10,000 gallons of pool water. Cartridge filters: at least 100 square feet of filtration area per 10,000 gallons of pool water. It never hurts to go a little on the larger side here., Deep End Depth = 12 feet. 4 + 12 = 16 feet. 16 feet ÷ 2 = 8. The average depth of the pool in this example is 8 feet. To determine the volume of water, use the formula for the shape of the pool you have: Circular Pools: Diameter (ft.) x Diameter (ft.) x Average Depth (ft.) x 5.9 = Total pool capacity in gallons., The surface area of a swimming pool in feet 2 can be calculated as follows: Circular pools: radius x radius x 3.14. Oval-shaped pools: (0.5 x length) x (0.5 width) x 3.14. Kidney-shaped pools: length x width x 0.75. Rectangular pools: length x width. The required BTU output per hour is calculated as follows:, , For example, if your swimming pool is 10,000 gallons then you should purchase a heat pump with a minimum of 40,000 BTU's. Size at 5 BTU's per gallon of water - ..., Apr 1, 2023 · Gallons per Hour: You should aim for a sand filter that can handle at least the entire volume of your pool in gallons in eight hours or less. This is often expressed as “gallons per hour” (GPH). To calculate the GPH you need, divide the number of gallons in your pool by eight. , The size of the pool heater required for a 16×32 inground pool depends on the pool volume. For a standard 16×32 pool with an average depth of 5 feet (about 21,000 gallons), you would need a heater with approximately 105,000 watts (21,000 gallons x 5 watts/gallon) or 105 kW to efficiently maintain the desired temperature., Standard Sizes of 15000 Gallon Pools. A 15,000-gallon pool’s standard dimensions vary depending on factors such as the pool’s design, depth, and shape. A circular pool with a radius of approximately 12 feet and a depth of six feet is one option. Alternatively, you may create an oval-shaped pool measuring roughly 10 feet by 26 feet …, The general rule of thumb for shocking a pool with bleach is one gallon of 6% bleach per 10, 000 gallons of water. So if you have a standard-sized backyard pool that holds around 20, 000 gallons of water, you’ll need two gallons of bleach. It’s important to measure out the amount accurately using a measuring cup or another precise tool., On average, a 24-foot-by-52-inch round swimming pools holds slightly less than 14,000 gallons of water. This amount varies, however, depending on the exact dimensions and whether t..., Subtract this temperature from your desired temperature of 85°F. 85°F – 73°F = 12°F. Next, divide the 12°F by 8, which is the number of hours required to fully heat the pool. 12°F ÷ 8 (hours) = 1.5° per hour. So, the heater has to raise the water temperature 1.5° per hour in order to heat the pool in 8 hours. Step 3., 6 Nov 2023 ... A 10000-gallon pool has a leak. It is losing 2.5 gallons per day. Create an expression that shows the amount Get the answers you need, now!, Advertisement The combination of all of the versions of all of the genes in a species is called the gene pool of the species. Because the DNA of a fruit fly is understood very well..., 5 days ago · 1 UK gallon = 1.201 US gallon, whereas 1 US gallon = 0.8317 UK gallon. 1 gallon is equal to 4 quarts, 8 pints, or 16 cups – so exactly the daily water intake for an average male adult. In the next few paragraphs, you will find values of 1 gallon converted into different volume units. , 7 Mar 2019 ... pool) that are allowed within the pool and on the deck. ... 10 square feet per bather 12 square feet per bather ... area is required for each diving ..., For a 10,000 gallon pool with an 8-hour turnover rate, the required flow rate is 1,250 GPH. Selecting Your Pump Size: Finally, you can choose a pump size that meets …, Determine BTUs needed to raise your pool’s temperature. One BTU raises the temperature of one pound of water by one degree Fahrenheit. There are 8.33 pounds of water per gallon. That means that if you have a swimming pool that holds 20,000 gallons, it requires 166,000 BTUs to increase by one degree., The formula for calculating the total gallons in a round pool is Gallons = Diameter x Diameter x Average Depth x 5.9. For example (see picture): your pool is 25 ft in diameter, the pool's shallow end is 3 ft and its deep end is 7 ft. So the pool's average depth is 3 plus 7 = 10 divided by 2. This gives you 5 ft., If you were a swimming-pool builder and a customer asked you to build a pool that would hold a million-gallons, then they had better have a big yard! You would need to build a pool about 267 feet long (almost as long as a football field), 50 feet wide, and 10 feet deep. The cube on the right side shows you that 1 million gallons would form a ...