how do you figure out how many square a roof is?
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["Once you have your roof's pitch, divide the number by 12. ... ", 'Next, square your result. ... ', 'After that, add 1 to your number. ... ', 'Next, figure out the square root of your new number. ... ', 'Next, use your measuring tape to measure the length of your house. ... ', 'After that, measure the width of your house.']
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Just break out your measuring tape—or a laser measure—to get its length and width. Multiply the width by the length and voila! You have the square footage.
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The simplest (and most commonly used) area calculations are for squares and rectangles. To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.
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['Take the dimensions of the footprint of your roof and convert them to inches. (So, a 50\' x 20\' roof is 600" x 240".)', 'Multiply the roof dimensions by the number of inches of rainfall. ... ', 'Divide by 231 to get the number of gallons (because 1 gallon = 231 cubic inches).']
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To calculate the total square footage (after placing seams) you will need to follow this formula: “L” x “W” / 144 = s.f. (Length times width divided by 144 = square feet).
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Total Square Footage Find this number by measuring the length and width of each plane on the roof (including dormers) then multiplying length times width. To find your roof's total square footage, simply add the square footage of each of the planes together.
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Convert Area to Number of Tiles If the tiles are 12-inch squares, one tile will cover one square foot. If the tiles are 4-inch squares, you'll need nine tiles to cover one square foot. Perform this calculation by multiplying 12 by 12 to equal 144 square inches (the surface area to cover).
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The average residential roof size in the US is about 1,700 square feet or 17 squares, although there are many larger homes with roofs that are twice as large. All professional roofers use “squares” to measure and estimate roofs. A square is equal to 100 square feet of the 3-dimensional roof surface.
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Multiplying the length by the width provides you with the square footage of the project area. For example, if the room measures 10 feet wide by 12 feet long, multiply 10 by 12. The square footage of this room is 120 square feet. Translate the square footage to the amount of tile you need.
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A roofing square is equal to 100 square feet of the roof.
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Calculating gross square footage is simple. Calculate the exterior dimensions of your building, as demonstrated in the above graphic. Measure the length and width of the building's walls. Multiply the length and width measurements to find square footage.
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1. Multiply the length of the ceiling times its width to find its area. 2. Divide that number by 350 (the estimated square feet covered per gallon) to figure out how many gallons of paint you need.
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Area of a square = side times side. Since each side of a square is the same, it can simply be the length of one side squared. If a square has one side of 4 inches, the area would be 4 inches times 4 inches, or 16 square inches. (Square inches can also be written in2.)
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To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.
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['Measure all the dimensions or sides of the area.', 'Draw the area on graph paper using the measurements you obtained. Make sure your drawing is to scale. ... ', 'Divide the drawing into shapes. ... ', 'Figure the area of each shape. ... ', 'Add the areas of all the individual shapes to find the total square footage.']
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Multiply the width and height to find the total area in inches, then divide by 144 to find the amount of square feet needed (amount of inches in a square foot). For example, if your space is 48″ (width) x 18″ (height) = 864. 864/144 = 6 square feet. Be sure to measure every area that needs tile and add them together!
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To get square feet, you multiply the length (in feet) by the width (in feet). For example, 6 feet long by 3 feet wide = 18 square feet (6 x 3 = 18). So to convert back, you simply divide. For example if you know the area is 20 square feet, and the length is 5 feet, then the width must be 4 feet (20 / 5 = 4).