How To Figure Sq Ft Of Roof

In cases where a roof has a complex shape such as in the image to the right measuring the dimensions and areas of each part of the roof to calculate total area will result in a more accurate measurement of area.

How to figure sq ft of roof.

Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to accurately estimate the amount of material needed. Enter measurements in us or metric units. Multiply the square footage of your roof by 1 to get the 10 percent waste allowance. Calculate square feet meters yards and acres for flooring carpet or tiling projects.

How to calculate square footage for rectangular round and bordered areas. To accurately calculate the area of your roof you must first determine its slope or pitch. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material. Convert the area to roofing squares.

Of the rest of the roof. A square simply refers to a 10 x 10 square of roofing. To conclude the example if your total roofing area is 17 300 square feet your waste allowance would be 17 300 x 1 1 730 square feet. Calculate square footage square meters square yardage and acres for home or construction project.

Enter square footage calculate or enter the square footage of the attic or area to be vented. The first step in a free roofing estimate is measuring the roof dimensions. Calculate project cost based on price per square foot square yard or square meter. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. You will need to express this size in terms of square feet. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.

The answer is the number of roofing squares for the roof. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. The calculator cannot account for complex shapes based on a measurement of square footage alone.

The total amount of roofing material you need is 17 300 1 730 19 030 square feet. This is simply 100 square feet of roof. Your roof line is not going to be the same as the square footage in your home.