How To Find Out Square Footage Of A Roof

For instance if the roof is 1550 square feet then it is 16 squares.

How to find out square footage of a roof. Multiply the length by the width to arrive at. Add the square footage for all the planes together. Measure your house at ground level then add in the roof s overhang for greater accuracy. You will need to express this size in terms of 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. 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. Measure the ground dimensions of the house using a tape measure and write down these dimensions. The first step in a free roofing estimate is measuring the roof dimensions.

After you ve done this you can click along the outer edge of the roof that you wish to calculate the area for. The result is the total square footage of your roof. For example this shed roof has one roof plane. For the total square footage of the roof.

This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. 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. A x b 120 x 100 12 000 sq. Because each 100 square feet of roof is one roofing square divide.

To find your roof s total square footage simply add the square footage of each of the planes together. This is simply 100 square feet of roof. Each time you add points the area will update and there is a box below that will convert this into acres meters kilometers miles and finally square feet. How do you calculate square footage for a roof.

The calculator cannot account for complex shapes based on a measurement of square footage alone. A square simply refers to a 10 x 10 square of roofing. Roof pitches in degrees. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

It will also give you the perimeter of the shape of the roof. 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. Multiply length a times width b.