How To Figure Square Footage Of A Roof

How to calculate the roof area using the building square footage the pitch of the roof.

How to figure square footage of a 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. 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. So you re thinking of reroofing the house yourself and want an estimate for how much roofing material you. Calculate square footage for a roof by measuring and by performing some basic math equations.

Use this information if. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. The calculator cannot account for complex shapes based on a measurement of square footage alone. With the area measurement you can learn the approximate cost of a new roof.

Multiply the square footage of your roof by 1 to get the 10 percent waste allowance. The total amount of roofing material you need is 17 300 1 730 19 030 square feet.