So if you place a fill on top of the slab, the fill area will… 1. The informations provided by our website are generic and they should not be used for purchasing construction materials - for that please consult a specialist. To measure the roof, start off by squaring every section of the roof off. (The square root of 10/9 is 1.05. When roofing contractors are in high demand such as they are in Florida after a hurricane, this way of estimating a roof may be okay, but in a tighter market you may need to have sharper estimating skills in order to compete with your competitors and make a profit. Given pitch and a horizontal area measurement, multiply the horizontal area by a correction factor corresponding to pitch, provided in the table below, to determine the actual area of the roof to be used in the Roofing Material Calculator. In the Calculate Areas dialog, specify the calculation Type. , How to Replace a Bathtub in a Small Bathroom, How to Install a Ring Doorbell on Vinyl Siding, How to Hang Christmas Lights Outside Without Nails. Using a Fill Fills have the ability to display Area. By continuing to browse the site you are agreeing to our use of cookies. (Your total number would be either 1,386 or 1,474 square feet. 1. (If your number is 1/3, squared would yield 1/9. Thus, a moderate “6 in 12” roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. How to measure residential roof plans. Hip roof is a roof with a sharp edge or edges from the ridge to the eaves where the two sides meet. Here, our roofing installation experts share two ways for how to calculate roof area: To calculate the area of your roof, first you’ll need to calculate the pitch of it: If you don’t want to do a lot of measuring, you can use your pitch calculation to get an estimated square footage of your roof: If you want to get the exact area measurement for your roof, you can follow these steps: Check out our reviews and let us know how we’re doing. Write this number down. The same method is used for gable roofs. For a rectangular house, this is simply done by multiplying the length by the width of the roof. say ‘x’, measure the breadth ‘y’. If you’re putting down new roofing materials on your home or another building with a hip roof, your first step will be to find the exact dimensions of each of the roof’s individual faces, then use those measurements to calculate its total area in square feet. To estimate how much energy could be generated from the sun on a surface, we first calculate the area to see how many solar panels could be placed on it. This number is your rise. How about pitch? A roof's pitch is determined by how much it rises vertically for every foot it runs horizontally. Here you will find roofing related tools like: roof area calculators, roof materials calculators, pitch calculators, geometric shapes calculator. Simple, just use the PlanSwift Pitch Finder tool to calculate values. ), Multiply your house length by your house width to get the area. ), After that, measure the width of your house. Save to bookmark, share with friends - useful tool will be always at hand. However, this program will be helpful for land owners, who decided to build their houses themselves and who need the roof calculator. (For example, 40 feet x 30 feet = 1,200 square feet. ROOF AREA First determine the area of the roof plan by multiplying the length of the roof by the width. In this case, there are gutters on all four sides.Then, to find the area of the hipped roof, simply multiply this plan area by the Roof Slope Factor. The default for calculation is Standard. Most roofing contractors typically measure a roof by calculating the area of a roof and then adding on 10% for possible waste. If you wish to find out the area of a construction element (e.g. (If your number is 1/3, squared would yield 1/9.) (For example, if you have a two-story home that’s 2,600 square feet, one floor would be 1,300 square feet. After that, place your level against the gable trim and flat against the side of the house. Roof A & Roof B dimensions will provide the total exposed roof areas (the hidden area is subtracted from the total). Click Quantification tab Areabook Extension panel (Calculate Areas). Divide your roof pitch by 12. ), After that, add 1 to your number. However if you have a PDF file/drawing of the roof plan, it is very easy to get the roof area. ), Determine the square footage of one floor of your home. We use cookies to give you the best online experience. Every architect and professional construction company have a program to calculate a roof. Roof area calculation & measurement methods: Here we describe various methods for measuring all roof data: roof slope or pitch, rise, run, area, and other features. Next, place your ladder against your house at the gable end. The roof below is drawn in 1/8″ scale This means that, if using a regular tape measure that 1 inch would equal 8 feet. Make light lines on the plan with a pencil. A “12 in 12” pitch is a steep, 45-degree angle roof. How to Figure Roof Area Without the Pitch. Using your measuring tape, measure from the 12-inch mark on your level up to the bottom edge of your gable trim. 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