How To Find Out Square Footage Of A Roof

To find your roof s total square footage simply add the square footage of each of the planes together.

How to find out square footage of a 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. How do you calculate square footage for a roof. After you ve done this you can click along the outer edge of the roof that you wish to calculate the area for. 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.

For example this shed roof has one roof plane. This is simply 100 square feet of roof. You will need to express this size in terms of square feet. If for example the total square footage for the examples used so far would be 14 400 the rectangular plane plus 900 the triangle plus 2 000 the irregular shape 17 300 square feet.

Because each 100 square feet of roof is one roofing square divide. Multiply length a times width b. Measure your house at ground level then add in the roof s overhang for greater accuracy. A x b 120 x 100 12 000 sq.

Multiply the length by the width to arrive at. It will also give you the perimeter of the shape of the roof. For instance if the roof is 1550 square feet then it is 16 squares. To find the squares divide the overall roof area by 100 and then round up.

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 first step in a free roofing estimate is measuring the roof dimensions. The result is the total square footage of your 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. 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. For the total square footage of the roof. Add the square footage for all the planes together.

This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. Convert the area to roofing squares. Roof pitches in degrees.