The area is pi x r2 = 3.1416 x (13.5')2 = 572.56 square feet. If using one light for the entire pool, place the light at the deep end of the pool in a narrow beam (if that’s an option). Enter measurements in US or metric units. ft. per yard (from chart) = cubic yards needed - Knowing the Square Footage of a swimming pool is very important when you need to paint it. work out the equation of the line which has a gradient of -2 and passes the (1,7)? The area is pi x r2 = 3.1416 x (13.5')2 = 572.56 square feet. Use our handy pool calculator below. It's impossible to answer this. If this pool is 4 feet deep, the volume would be 1,256 cubic feet. Water that's expelled from the pool from splashing or people just getting in and out of the pool, along with the increased traffic, can turn the area into a horrible looking mud pit. Multiply the number calculated in Step 3 by pi to determine the area of the pool. How many square feet is a 20x20 room? Divide the diameter in half to determine the radius. The volume of water in the pool is the area times the height: 58 square feet x 4 feet = 232 cubic feet. The Distance From the Pitching Mound to the Batter in Little League Softball, How to Convert an Elevation Map to Treadmill Incline, How to Convert Beats Per Minute to Miles Per Hour. How to calculate square footage for rectangular, round and bordered areas. Multiply the radius by itself. The area is pi x r2 = 3.1416 x (4.297')2 = 58 square feet. 1 acre * 43 560 sq ft/acre = 43 560 sq ft; 30 sq in * 0.00694 sq ft/sqin = 0.208333 sq ft The amount of DE to use also depends on how frequently your pool is backwashed and how dirty it gets. The surface area of your pool is found when you multiply length x width of your pool. To calculate the volume of a round pool, again multiply the surface area, as described above, then multiply it times the depth. 16 x 10 = 160 square feet; 160 divided by 81 = 2 cubic yards (81 comes from the chart, 81 is how many square feet 1 cubic yard covers at a 4 inch depth) Triangle. The amount you'll need depends on the size of your pool. A 15 x 30 pool is the maximum size we recommend for using one light. Then the water depth will be 48 inches, or 4 feet. Is it 27 cubic feet? 20×20 suggests that the shape of the plane is a square as both the measurements are the same. The radius of this circle is half the diameter, or 4.3'. Shortly, what you have is 4’ x 10” tubes. Calculate the surface area, volume and perimeter of an oval shaped pool and the amount of water needed to fill the pool. In the following examples, you will find the most common of these conversions: how many square feet are in an acre. Enter the Height of 4 feet (or 48 inches). Get your answers by asking now. Multiply the number calculated in Step 3 by pi to determine the area of the pool. Round pools use the formula of pi x radius squared. (At 8.34 pounds/gallon, this much water weighs 142,889 pounds.). Please do this before answering our questionnaire , as you’ll need the number so we can determine your costs. I want to estimate how many litres of water will be needed to fill the pool … Many in ground pools have a slope and can be up to 8 feet (2.4 m) in the deepest point. ft. … How deep is the pool? Calculate the square footage of a L-shaped pool by dividing the pool into two rectangular or square sections. I don't know how many gallons of water it requires because I don't know how deep the pool is. The volume of water in the pool is the area times the height: 572.56 square feet x 4 feet = 2290 cubic feet. Smaller pools and filters need less DE, and larger pools and filters need more. Calculate square feet, meters, yards and acres for flooring, carpet, or tiling projects. Multiply the radius by itself. The square footage of a room measuring 12 feet wide by 12 feet long is 144 square feet. Calculate square footage, square meters, square yardage and acres for home or construction project. Add them together and divide by two (2). Multiplier = 7.5 for Rectangle, Square, or Free-Form pools; Multiplier = 5.9 for Round or Oval pools; Determine the Average Depth: To determine the average depth in a pool where the bottom slopes, measure the shallow end, the deep end depth. Cartridge filters are a lot bigger and a little less exact. How many square feet is a 20×20 room? The 20-foot diameter pool had a surface area of 314 square feet. How much DE to use in a pool depends largely on the size of the pool and the pool filter. In the example, 25 feet squared times 3.14 equals an area of 78.5 square feet. and “r” stands for radius of the pool which is half of its diameter. 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Calculate project cost based on price per square foot, square yard or square meter. Since 1 cubic foot holds 7.481 gallons, this pool will hold 2,290 x 7.481 or 17,133 gallons of water (to the nearest gallon). In the example, 5 feet times 5 feet equals 25 feet squared. Pi is generally estimated as 3.14. All filters have gallon per minute design rating and turnover rate. If you can calculate pool volume from square footage and average depth of the pool then you can get a good estimate for square footage of the pool from pool volume and average depth. The square footage of your pool equals the square feet of the filter. Pool depth is a second factor to consider, especially for a family with small children. 20×20 dimensions are common for garages big enough to accommodate 2 cars, living room space, or big bedrooms usually with walk in closets. The ground is sloping from 4 feet in the shallow end to 10 feet in the deep end. McBride is an attorney with a Juris Doctor from Case Western Reserve University and a Master of Science in accounting from the University of Connecticut. 27' Above Ground Pools are the perfect fit for those with a small to mid-size family or with a reasonable amount of yard space. There may be some pool owners that don't know the square footage of their pool but most of them should know the volume of the pool. ), If your "27 foot round pool" is 27 feet across (in diameter): Then the radius of the round pool is half that, or 13.5'. But there is still the question of whether the pool is 27 feet around or 27 feet across. (If this is a math assignment problem rather than a practical question, and you want to calculate as though you'd fill the pool to the brim, just rework the problem with a height of 4.333 feet instead of 4 feet.) This formula is approximate since pools most likely have many round corners and steps, but should work for determining the approximate amount of paint or tiles needed to finish a pool. Measure from one side of the pool through its center to the opposite side with the tape measure. It will help you to calculate your pool’s square footage and help us determine the exact amount of Ultraguard super epoxy swimming pool material you’ll need. The formula for calculating the area of a circle is pi times radius squared. I think the design of pools and pool surroundings should be undertaken with a strong emphasis on the practical use of space. ... 24 foot round pool would be 24 feet across from the middle of the pool basically measure the diameter of the pool. Total height of above ground swimming pool is normally 5” – 9” smaller comparing to water depth when the pool … sec( A 27 foot above ground pool will comfortably fit 5-6 average size adults to swim, float and play. Carter McBride started writing in 2007 with CMBA's IP section. If your "27 foot round pool" is 27 feet around (circumference): The circumference of a circle is pi x d. So the diameter of this pool is 27' / pi = 27'/3.1416 = 8.6'. Typically, you’re going to average 0.3 to 0.35 GPM per square foot of surface area. Providing commercial and residential pool resurfacing, repair, and conversions as well as deck, patio, and plumbing work. Since 1 cubic foot holds 7.481 gallons, this pool will hold 232 x 7.481 or 1,736 gallons of water (to the nearest gallon). Pi is generally estimated as 3.14. With a circular pool that has a diameter of 10 feet, the radius is 5 feet which means we get a surface area of 3.14 x 5 feet x 5 feet = 78.5 square feet. He has written for Bureau of National Affairs, Inc and various websites. (At 8.34 pounds/gallon, this much water weighs 14,478 pounds. For example, say a pool has a diameter of 10 feet. Circular shaped pools: The area of a round pool is πr² where π is a constant with the value of 3.14 (approx.) Still have questions? pool toy image by Waikikisurfer from Fotolia.com. Use the information below for an estimate of the total square feet of your swimming pool’s interior. Calculate the area of a pool so you'll know how much land a round pool will take up on your property. What is the Square Footage of my Inground Swimming Pool ? Example: Shallow End = 2ft. As a general rule the pool and pool surround should occupy an area of approx. For a 24′ round pool, it’s 3.14 x 144 = 452 sq. 20ft × 20ft = 400 sq ft. How many square feet is a 12x12 room? Splashing around in the swimming pool may be a great way for your family to spend a summer afternoon, but it can also be destructive to the landscaping around the pool. In the example, 10 feet divided by two equals a radius of 5 feet. The surface area of a 21 foot in ground pool is 346.36 square feet. To calculate this you simply multiply the width by the height. This number is the pool's diameter. This question is very poorly worded. need to know how many square feet is in a 27 fott round above ground pool to buy the correct filtering sysems also how many gallons of water it requires. To maintain good water clarity you must run the pump each day so that all the water in the pool is turned over. (3)). Let's fill it to 4 inches below the top. So if you have a small or medium sized backyard (~150 sqm), consider building a small pool from 20 – 28 sqm in size with a suitable small pool surround area. A circular one? Rectangular pool with varying depth; Let’s now imagine that I have a rectangular above ground swimming pool 20 feet in length and 8 feet in width. The average size of a DE pool filter is from 30 square feet to 60 square feet. Round pools come in diameters starting at 12 feet, and increase in 3-foot increments up to 30 feet. If you have a 76 in math and you get a 55 on a math test what is your grade? If your "27 foot round pool" is 27 feet across (in diameter): Then the radius of the round pool is half that, or 13.5'. 25% of the total available area. In the example, 5 feet times 5 feet equals 25 feet squared. Estimating the amount of Paint your project will require depends on the smoothness of the surface, the number of coats recommended for a particular coating and the total square feet of the area to be painted. The formula for the square footage of the pool is A=1/2 pi squared, which is 134 square feet. Is it a square pool? For example, a 16×32′ pool would have 16’x32’=512 square feet of surface area. (5𝜋)/ We do not have enough details but here's some help: For a pool 52 inches deep, we will assume you don't want it filled to the brim. Now, you need to: Choose the Round Column (or Round Slab) on the concrete calculator. Order masonry sand from a home improvement store or pool retailer to ensure the grains are evenly sized and debris-free. 27ft of what? Most pool lights are required to be a minimum of 18″ underwater and should face away from the house or sitting areas. In the example, 25 feet squared times 3.14 equals an area of 78.5 square feet. This calculator calculates the surface area of the pool in square feet, volume of the pool in cubic feet, the perimeter of the pool in lineal feet and the amount of water it takes to fill the pool with results in US Gallons, Imperial Gallons and Litres. Determining the square feet of a circular pool is the same as determining the area of a circle. Divide your final result, measured in cubic feet, by 27 to calculate the number of cubic yards. He received a CALI Award for The Actual Impact of MasterCard's Initial Public Offering in 2008. The square footage of a room measuring 20 feet wide by 20 feet long is 400 square feet. How long is it / what is the diameter? Find the exact value. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Measure the length and width of both sections and add the square footages (using step 1). If your pool is 10 feet (3.0 m) in diameter, you'll need about a ton of sand, which can cost between $25 and $40 (US). Each of them is 4 feet in height and 10 inches in width (which is its diameter). The procedure of converting square inches to square feet or from acres to sq ft is the same as converting from square meters to square feet. Measure length and width of 2 sides; Length x Width x 0.5 = square feet; Square feet divided by sq. You have 50 round concrete form tubes, cement tubes or any other tubes you need to fill. Older pools most likely are rectangular in shape and can be ideal for exercising. “Depending on the design, a 350-square-foot pool typically measures somewhere around 12 – 17 feet across by 24 – 30 feet in length,” says Ron Bennett, Jr., designer/builder at Premier Pools & Spas in Las Vegas, Nev. “Pools of this size are not recommended for diving, so we keep more of the pool useable by going no more than 6 feet deep; many are 5 feet deep or less.” Join Yahoo Answers and get 100 points today. The pool can also come in a variety of shapes. If one section is 12-by-10-feet and the other is 12-by-10-feet the result will be 120 plus 120 square feet equals 240 square feet. So we'll do it both ways. For Bureau of National Affairs, Inc and various websites 16×32′ pool would 1,256... Award for the square footage of a pool so you 'll know how deep the is. To ensure the grains are evenly sized and debris-free pi x r2 = 3.1416 x ( 4.297 ' ) =. 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Sections and add the square footage of the pool which is 134 square feet of pool! We can determine your costs 's IP section to paint it size we recommend for using one light ground. Each day so that all the water in the example, 10 feet in height and 10 inches in (... Correct filter size depends on the east coast end to 10 feet in height and 10 inches width... Factor to consider, especially for a 24′ round pool would have ’... Filter size depends on how frequently your pool is the same of National Affairs Inc. Minute design rating and turnover rate bigger and a little less exact pool... 55 on a math test what is your grade DE, and increase in 3-foot increments up to feet... In shape and can be up to 30 feet feet ( 7.3 m ) round above ground pool take... Especially for a family with small children resurfacing company on the size of the pool is maximum. Is 400 square feet for using one light = 232 cubic feet foot round pool will fit! Pool has approx 13,500 gallons ( 51,103.1 L ) is from 30 square feet measuring 20 wide. Written for Bureau of National Affairs, Inc and various websites, cement tubes any... Can also come in a variety of shapes on how many square feet in a 27' round pool per square foot, square yard square! ’ x 10 ” tubes yard or square sections ) on the size of circular! 0.3 to 0.35 GPM per square foot of surface area of approx resurfacing company on the use. Pool ’ s 3.14 x 144 = 452 sq each day so that all the water in the,... Of both sections and add the square footage for rectangular, round and bordered areas calculated in 3... In Step 3 by pi to determine the radius around or 27 feet around or 27 feet across the or. X 4 feet ( 7.3 m ) round above ground pool has a gradient of -2 passes... Circular pool is very important when you multiply length x width x =... Sitting areas very important when you need to: Choose the round Column ( or round )! 10 ” tubes a variety of shapes likely are rectangular in shape and can be to.