How To Figure Out Square Feet Of A Roof

As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house.

How to figure out square feet of a roof.

Calculate project cost based on price per square foot square yard or square meter. Enter measurements in us or metric units. The first step in a free roofing estimate is measuring the roof dimensions. 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.

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. 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. 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.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. How to calculate square footage for rectangular round and bordered areas.

Convert the area to roofing squares. Calculate square feet meters yards and acres for flooring carpet or tiling projects. Multiply the square footage of your roof by 1 to get the 10 percent waste allowance. You will need to express this size in terms of square feet.

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. To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares. Roof pitches in degrees. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square.

Your roof is without a doubt one of the most important elements of your home.