How many square feet in 16x20

The calculation to work out the square feet of both a square and rectangular room like 16x40 is very simple. All you need to do is multiply the length by the width. Square Feet = Length x Width. 16 x 40 = 640. This means the answer is:

How many square feet in 16x20. How big is a 16 x 20 rectangle? 16 ft by 20 ft room in square feet. Use this easy and mobile-friendly calculator to compute the area of a rectangle given the length of its sides.

How many square feet for a 9 feet wide by 6 feet long room? Square footage is calculated by multiplying width by length. So if a room is 9 foot wide by 6 foot long, 9 x 6 = 54 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.

How to Calculate Square Inches. Square inches are a unit of area measurement of a space. They are also referred to as inches squared. One square inch is equal to the area of a square with each side equal to one inch in length. Of course, not all areas are perfect squares, but you can still calculate the area in square inches of a variety of shapes.1 Guntha is equal to 1089.0 Square Feet and is used in Maharashtra, Gujarat, Karnataka, Andhra Pradesh, Telangana, and Odisha for measuring small plots. It is one of the recognized land measurement units in India. Gunta is another name of Guntha in some states. Guntha to Square Feet calculation formula. Square Feet = Guntha x 1089.0.We've got an exclusive Square promo code for hardware. Use code PTMSquare for 20% off your first hardware purchase. For new customers only. Part-Time Money® Make extra money in you...Summary. How many square feet for a 17 feet wide by 13 feet long room? Square footage is calculated by multiplying width by length. So if a room is 17 foot wide by 13 foot long, 17 x 13 = 221 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.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: To determine the average depth in a pool where the bottom slopes, measure the shallow ...Square, providers of technology and financial tools to empower small businesses, has announced new features for Square Appointments. Square, providers of technology and financial t...Square footage is calculated by multiplying width by length. So if a room is 12 foot wide by 26 foot long, 12 x 26 = 312 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.How many square feet for a 16 feet wide by 30 feet long area? Square footage is calculated by multiplying width by length. So if a area is 16 foot wide by 30 foot long, 16 x 30 = 480 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.

In order to calculate pounds per square foot you just need to do some simple math. Simply take the area (in square feet) you want to use as a measurement and divide the number of pounds you want to place on the area by that number. So if you had a 48 sq ft platform and you put 24lbs on that platform, you would take 24 divided by 48 to get the ...To convert linear footage to square footage, use the following area to length formula: length = area ÷ width. For example, if you were using 3 x 6 tiles as a border, and there are 8 square feet in a box, 8 square feet divided by the width of the material (6″) gives us 16 linear feet of 3 x 6 tile in one box.The Marla was standardized under British raj to be equal to 272.251 Square Feet (sq ft). The square feet is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, mainly used in all kinds of countries.Square footage is calculated by multiplying width by length. So if a room is 11 foot wide by 5 foot long, 11 x 5 = 55 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.How many square feet for a 8 feet wide by 5 feet long room? Square footage is calculated by multiplying width by length. So if a room is 8 foot wide by 5 foot long, 8 x 5 = 40 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.1 cent * 435.56 square feet = 435.56 square feet. As a result, one cent equals 435.56 square feet. Example 2: Convert one hundred cents to square feet. Entering the unit of cent into the calculation above yields the following result: 100 cents * 435.56 = 43,556 square feet. As a result, 100 cents equals 43,556 square feet.Square foot. Definition: A square foot (symbol: sq ft) is a unit of area used in the imperial and US customary systems (UCS). It is defined as the area of a square with one-foot sides. One square foot equals 144 square inches. History/origin: The origin of the square foot can be seen in the term itself. It is a measurement derived from the area of a square with a …Summary. How many square feet for a 15 feet wide by 25 feet long room? Square footage is calculated by multiplying width by length. So if a room is 15 foot wide by 25 foot long, 15 x 25 = 375 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.

Square footage is calculated by multiplying width by length. So if a room is 12 foot wide by 13 foot long, 12 x 13 = 156 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.Summary. How many square feet for a 12 feet wide by 15 feet long room? Square footage is calculated by multiplying width by length. So if a room is 12 foot wide by 15 foot long, 12 x 15 = 180 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.A standard one-car garage is between 12′ and 16′ wide and between 20′ and 24′ long, for a total of between 240 sq ft and 384 sq ft, on average. A standard two-car garage is between 22′ and 26′ wide but still between 20′ and 24′ long, giving it an area of between 440 sq ft and 624 sq ft.Here are two different ways to calculate the overage. Method 1 :Multiple the total area of your roof by 10%. For example, for a 3,000-square-foot roof, you would calculate 3,000 x 10% = 300. So you would estimate the need for 3,300 square feet of total coverage. Method 2 :Take the number of bundles of shingles you need and multiply by 10%.Here are some examples of what our Square Feet to Linear Feet Calculator can convert for you: 50 square feet to linear feet. 100 square feet to linear feet. 250 square feet to linear feet. 600 square feet to linear feet. 1000 square feet to linear feet. 1500 square feet to linear feet. 5000 square feet to linear feet.

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The most common size is 14×70, which equals 980 square feet. One can also find mobile homes that are 14×80, which equal 1120 square feet. A 16×80 mobile home would have 1280 total sq. ft. and a 20×80 mobile home would have 1600 total sq. ft. The average cost to buy a new mobile home ranges from $50,000-$130,000 depending on the quality and ...That square footage is 1280 square feet. Moderately big for a Mobile Home. 400. 1280. 1280. 1200. The 16x80 measurement is the travel measurement it includes the hitch which is 4ft so really it's ...Use the calculator above to calculate your square inches. **This Calculator also calculates square feet, total height in feet, total height in inches, total length in feet and total length in inches. A "square inch" is a unit of area measurement equal to a square measuring one inch on each side. 1 Square Inch = 0.00064516 square meters. Abbrev ...How many square feet for a 14 feet wide by 30 feet long area? Square footage is calculated by multiplying width by length. So if a area is 14 foot wide by 30 foot long, 14 x 30 = 420 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.16 x 20 = 320 square feet. Usually, square feet are abbreviated to sq. ft. How to calculate the price of painting, flooring, or building a 16 × 20 room?Step 1: determine your deck's square footage. The first step for answering "how do I calculate how much decking I need" is to determine your deck's square footage, or area, by taking the length of your deck times the width (L x W). EXAMPLE: For a deck that is 16 feet long and 12 feet wide, multiply 16 by 12. This gives you 192 square ...

Calculating square feet is an essential skill that comes in handy in various situations. Whether you are planning a home renovation, buying new flooring, or simply trying to determ...**This Calculator also calculates square inches, total height in feet, total height in inches, total length in feet and total length in inches. What is a Square Foot? A "square foot" is a unit of area measurement equal to a square measuring one foot on each side. 1 Square Foot = 0.0929 square meters. 8.4375. 1 / 32. 0.28125. 1 / 64. 0.14063. How many square feet are in a square yard? Use this easy and mobile-friendly calculator to convert between square yards and square feet. Just type the number of square yards into the box and hit the Calculate button. Jun 27, 2021 · Use the following formula: L x W = Area or square feet. 20 x 20 = 400. You can calculate the area or square feet for any square or rectangle and the length and width do not need to be the same. For example, if your room is 24 feet long and 18 feet wide, the area is 432 square feet. 24 x 18 = 432. This is very helpful if you are trying to ... Summary. How many square feet for a 19 feet wide by 20 feet long room? Square footage is calculated by multiplying width by length. So if a room is 19 foot wide by 20 foot long, 19 x 20 = 380 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.How many square feet for a 7 feet wide by 7 feet long room? Square footage is calculated by multiplying width by length. So if a room is 7 foot wide by 7 foot long, 7 x 7 = 49 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.A 50 x 80 area is 4000 sq feet. This could be used to calculate the square footage of any rectangular area such as a living room, bathroom, backyard, park, or floor area. ... How many square meters are in a 50 foot by 80 foot area? There are about 10.7639 ft2 in a m2. In an area of 50ft by 80ft, there are 371.61 square meters. How many acres ...How many square feet for a 20 feet wide by 24 feet long area? Square footage is calculated by multiplying width by length. So if a area is 20 foot wide by 24 foot long, 20 x 24 = 480 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.

16 x 20 = 320 square feet. Usually, square feet are abbreviated to sq. ft. How to calculate the price of painting, flooring, or building a 16 × 20 room?

2. ) - Area Conversions. A square foot is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square foot is ft 2 or sq ft. A square foot is calculated as the area of a square that has 1 foot on each side. Select one of the square feet conversions below: This table provides a summary of the Area units within ...After converting the units, you'll have all of the dimensions in feet, so a simple multiplication will give us the result in cubic feet. Convert the volume directly to cubic feet unit. You may find this method easier, as you only need to divide or multiply once: Inches — divide the volume value by 1, ⁣ 728 1,\!728 1, 728 (because it's 1 2 3 ...Square meter. Definition: The square meter, or square metre (symbol: m 2), is an SI (International System of Units) derived unit of area.It is defined as the area of a square with side measures of one meter, where the meter is currently defined as the distance traveled by light in 1/299 792 458 of a second when expressed in the unit m·s-1, where the second is defined in terms of the cesium ...2. ) - Area Conversions. A square foot is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square foot is ft 2 or sq ft. A square foot is calculated as the area of a square that has 1 foot on each side. Select one of the square feet conversions below: This table provides a summary of the Area units within ...The most common size is 14×70, which equals 980 square feet. One can also find mobile homes that are 14×80, which equal 1120 square feet. A 16×80 mobile home would have 1280 total sq. ft. and a 20×80 mobile home would have 1600 total sq. ft. The average cost to buy a new mobile home ranges from $50,000-$130,000 depending on the quality and ...A square foot is a measure of surface area, and a mile is a measure of length. There are 5,280 feet in a mile and 27,878,400 square feet in a square mile. Area of a square is calcu...Once you've multiplied the height and width to get your total square inches, you will convert back to square feet. Divide square inches by 144 to get the square feet. Always round up to the nearest full measurement. For example, let's find the area of a 10′ wide wall that is 8′ high.A square foot = 144 sq. in. Therefore, you divide the number of square inches total by a square foot (144 sq. in.), and you get your total square feet of siding in each panel: 1440 sq. in./144 sq. in. = 10 sq. ft. Sometimes, your exterior wall height will be a few inches taller than the height of accumulated panels.

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A 12 x 12 area is 144 sq feet. This could be used to calculate the square footage of any rectangular area such as a living room, bathroom, backyard, park, or floor area. ... How many square meters are in a 12 foot by 12 foot area? There are about 10.7639 ft2 in a m2. In an area of 12ft by 12ft, there are 13.38 square meters. Square Footage ...Each 80-pound bag yields approximately 0.022 cubic yards of concrete. For a 4-inch thick, 100-square-foot slab, you'll need 56 bags. It's essential to calculate the volume based on your slab's dimensions. How many cubic feet is a 50-pound bag of concrete? A 50-pound bag of concrete yields approximately 0.375 cubic feet.Summary. How many square feet for a 15 feet wide by 20 feet long room? Square footage is calculated by multiplying width by length. So if a room is 15 foot wide by 20 foot long, 15 x 20 = 300 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.How many square feet for a 16 feet wide by 18 feet long room? Square footage is calculated by multiplying width by length. So if a room is 16 foot wide by 18 foot long, 16 x 18 = 288 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.Back on to the math side of tiling, we will see now how the calculator works internally. To know how many tiles you need for your project, you simply need the area of the space to fill. Just divide one by the other, and you're golden. Just remember to round up, as they don't sell fractional tiles. number of tiles = area to tile / area of one tile.= 1.3068 x 10 5 square feet = 3 x 10 0 acres. Square Feet. A square foot is a unit of area. It is the size of a square that is one foot on a side. It is 144 square inches, 1/9 th of a square yard, or approximately 0.093 square meters. Common abbreviations: sq …Square feet: Feet: Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data should be separated in coma (,), space ( ), tab, or in separated lines. » Area Unit Conversions • ft 2 ↔ square meter [m 2] • ft 2 ↔ square kilometer [km 2]Summary. How many square feet for a 11 feet wide by 11 feet long room? Square footage is calculated by multiplying width by length. So if a room is 11 foot wide by 11 foot long, 11 x 11 = 121 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations. ….

How many square feet for a 13 feet wide by 15 feet long room? Square footage is calculated by multiplying width by length. So if a room is 13 foot wide by 15 foot long, 13 x 15 = 195 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations. The area of a rectangle is its width times its height. Area = Width * Height. Width Height. Compute the size of something whose dimensions are 20 feet by 20 feet. For example, a 20x20 foot room, apartment, office, or yard. To get the area of a box, multiply the height by the width. This calculator also takes units into account and will show the ... Summary. How many square feet for a 19 feet wide by 20 feet long room? Square footage is calculated by multiplying width by length. So if a room is 19 foot wide by 20 foot long, 19 x 20 = 380 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations. How many square feet for a 12 feet wide by 17 feet long room? Square footage is calculated by multiplying width by length. So if a room is 12 foot wide by 17 foot long, 12 x 17 = 204 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations.Steps to Calculate Square Feet. Find the area of a rectangular room or space in square feet by following these easy steps: Measure the length and width of the area. Convert these measurements to feet if they aren't already. Convert inches, yards, or meters to feet using a converter if needed.Danny, Uh oh! My contractor just finished laying 122 square feet of porcelain floors directly over plywood in my kitchen. When I had asked him if he Expert Advice On Improving Your... Summary. How many square feet for a 19 feet wide by 20 feet long room? Square footage is calculated by multiplying width by length. So if a room is 19 foot wide by 20 foot long, 19 x 20 = 380 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations. To convert square feet to cubic yards, simply multiply your square footage figure by the height or depth of the area (in feet) to get a volume measurement in cubic feet. Next, divide the total by 27 to get your measurement in cubic yards. Should your height or depth figure be in inches, simply divide it by 12 to get your feet figure (there are ...How many square inches in 16 square feet? There are 144 square inches in 1 square foot. 16 square feet is equal to 2,304 square inches. About Square footage is a common unit of measurement in the United States. Other countries use square meters, which is based on the metric system. How many square feet in 16x20, How many square feet is a 10x10 wall? 100 square feet (ft²). A ten feet wide by ten feet tall wall has a square footage (or area) of 100 square feet. To get that result, you need to multiply its width by its height. How many square feet is a 12x12 wall? A 12×12 ft wall is 144 square ft. To find the square footage of any wall, you need to ..., Summary. How many square feet for a 14 feet wide by 20 feet long room? Square footage is calculated by multiplying width by length. So if a room is 14 foot wide by 20 foot long, 14 x 20 = 280 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., Step 1. The area to be planted is a 4x4-foot square. 4 feet x 4 feet = 16 square feet. Step 2. 16 square feet x 144 square inches = 2,304 square inches. Step 3. The suggested spacing for French marigold (Tagetes patula) is 12 to 15 inches. At 12-inch centers, 12 inches x 12 inches = 144 square inches for each plant., For example, to know how to find the square feet of a circle with a 1524 cm radius, follow these steps:. Convert 1524 cm to ft by dividing it by 30.48. The radius in cm would be: (1524/30.48) ft = 50 ft. Learn more about this in our length converter.. Input the radius in the SF formula:. SF = π(50 ft)² = 7854 ft², 120 + 200 = 320 square feet. 320 x 10% = 320 x 1.10 = 352; For sheet flooring, stop here. You'll need at least 352 square feet of sheet vinyl. Because you'll likely find it in 12-foot-wide rolls, you'll purchase a roll of 12 feet by 32 feet. That's 10 feet long for one room plus 20 feet long for the other room with 2 feet extra for waste., Price Calculator. Price Per Square Foot. x 320 ft 2. Total Price. Calculate the Square Foot of Another Room. Find the square root of any number with this easy online calculator. Find the square root of a room with a click of a button. Enter the whole number in the respective number in the first box, then click ‘Calculate’ to get the answer., Summary. How many square feet for a 15 feet wide by 30 feet long area? Square footage is calculated by multiplying width by length. So if a area is 15 foot wide by 30 foot long, 15 x 30 = 450 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., Square foot. Definition: A square foot (symbol: sq ft) is a unit of area used in the imperial and US customary systems (UCS). It is defined as the area of a square with one-foot sides. One square foot equals 144 square inches. History/origin: The origin of the square foot can be seen in the term itself. It is a measurement derived from the area of a square with a …, For example, to know how to find the square feet of a circle with a 1524 cm radius, follow these steps:. Convert 1524 cm to ft by dividing it by 30.48. The radius in cm would be: (1524/30.48) ft = 50 ft. Learn more about this in our length converter.. Input the radius in the SF formula:. SF = π(50 ft)² = 7854 ft², There are about 10.7639 square feet per square meter. The easy way to estimate is to drop a zero. So, if a property or hotel room has 16 square feet, that is equal to 1.4864500785031 m2 or can be estimated at 1.6 m2. Square Footage., Square footage is calculated by multiplying width by length. So if a room is 16 foot wide by 10 foot long, 16 x 10 = 160 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., Square footage is calculated by multiplying width by length. So if a room is 12 foot wide by 20 foot long, 12 x 20 = 240 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., So if a area is 20 foot wide by 22 foot long, 20 x 22 = 440 square feet. This Page is Calculated for the Following: 20 foot wide by 22 foot long, 20x22, 20'x22', 20 x 22 Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., To calculate the square footage of the deck, multiply the two numbers together: 20 ft × 13 ft = 260 ft². You chose a board that is 8 ft long and 6 in wide. Convert the width from inches to feet - simply divide the value by 12: 6 in / 12 = 0.5 ft. Let's calculate the square footage of one decking board: 8 ft × 0.5 ft = 4 ft², Since 1 yard converts to 3 feet in length, there are 9 square feet in 1 square yard. The area of a perfect square always equals the length of one side squared, written in this case..., Square Footage of a 16 x 20 Room. How Many Square Feet in a 16 x 20 Room? To calculate the square feet in a 16 ft x 20 ft area, multiply the two sides. For example, 16 ft x 20 ft = 320 square feet. This can be used for any type of rectangular area, such as a room, garage, yard, garden. , 1 cent * 435.56 square feet = 435.56 square feet. As a result, one cent equals 435.56 square feet. Example 2: Convert one hundred cents to square feet. Entering the unit of cent into the calculation above yields the following result: 100 cents * 435.56 = 43,556 square feet. As a result, 100 cents equals 43,556 square feet., Best Buy is opening a new digital-first 5,000 square feet small store in Monroe, North Carolina on July 26. This store will have selected tech products like home theater and audio,..., How many square feet for a 7 feet wide by 7 feet long room? Square footage is calculated by multiplying width by length. So if a room is 7 foot wide by 7 foot long, 7 x 7 = 49 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., How many square feet for a 8 feet wide by 6 feet long room? Square footage is calculated by multiplying width by length. So if a room is 8 foot wide by 6 foot long, 8 x 6 = 48 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., How to Calculate Square Inches. Square inches are a unit of area measurement of a space. They are also referred to as inches squared. One square inch is equal to the area of a square with each side equal to one inch in length. Of course, not all areas are perfect squares, but you can still calculate the area in square inches of a variety of shapes., Summary. How many square feet for a 10 feet wide by 12 feet long room? Square footage is calculated by multiplying width by length. So if a room is 10 foot wide by 12 foot long, 10 x 12 = 120 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., Square footage = Length (feet) × Width (feet) To give an example, if a bedroom measures 16 feet by 12 feet, the calculation would be 16 multiplied by 12, resulting in a square footage of 192 (16 × 12 = 192)., Summary. How many square feet for a 11 feet wide by 11 feet long room? Square footage is calculated by multiplying width by length. So if a room is 11 foot wide by 11 foot long, 11 x 11 = 121 square feet. Square footage calculators can be used for tiles, carpet flooring, paint, a room, house square footage or general area calculations., It is 144 square inches, 1/9 th of a square yard, or approximately 0.093 square meters. Common abbreviations: sq ft, sf, ft², ft^2 Square Miles to Square Feet Conversion Table , In general, there are about 450 square feet of turf grass in a pallet of sod. But this amount can vary depending on the type of sod and how it is cut. Slab Cut Turf. Warm season grasses, such as zoysia and centipede, are usually cut in rectangular slabs. These slabs typically measure 16 inches by 24 inches. Each slab covers 2.66 square feet., Square meter. Definition: The square meter, or square metre (symbol: m 2), is an SI (International System of Units) derived unit of area.It is defined as the area of a square with side measures of one meter, where the meter is currently defined as the distance traveled by light in 1/299 792 458 of a second when expressed in the unit m·s-1, where the second is defined in terms of the cesium ... , 16 square feet = 4 x 4.00. 16 square feet = 5 x 3.20. 16 square feet = 6 x 2.67. 16 square feet = 7 x 2.29. More Dimensions. 16., A 16 x 20 area is 320 sq feet. This could be used to calculate the square footage of any rectangular area such as a living room, bathroom, backyard, park, or floor area. Square footage is also commonly used to estimate the cost of material needed for painting, flooring, and other types of construction. , Step 1: determine your deck's square footage. The first step for answering "how do I calculate how much decking I need" is to determine your deck's square footage, or area, by taking the length of your deck times the width (L x W). EXAMPLE: For a deck that is 16 feet long and 12 feet wide, multiply 16 by 12. This gives you 192 square ..., 142.166596 ft2. 49 m3 =. 144.134339 ft2. 50 m3 =. 146.08874 ft2. ↗ Show Square feet → Cubic meter Conversion Chart Instead. » Volume Unit Conversions., Add at least six feet for waste. No calculator can tell how much waste will be on each run plywood. That is dependent on the lay out and where it ends with the plywood. Sometimes there is no waste such as on a run 32′ long. It will take four sheets. A run 31′ long will also take four sheets with a 12″ piece left a remainder., How big is a 16 x 20 rectangle? 16 ft by 20 ft room in square feet. Use this easy and mobile-friendly calculator to compute the area of a rectangle given the length of its sides.