Finding The Square Footage Of A Roof

To estimate roofing materials start by finding the total square footage of the roof and divide the number by 100 to determine the number of squares in the roof.

Finding the square footage of a roof. Calculate square feet meters yards and acres for flooring carpet or tiling projects. If a section is 120 feet 37 m x 100 feet 30 m its total square footage would be 12 000 square feet 1 100 m 2. Enter measurements in us or metric units. How to calculate square footage for rectangular round and bordered areas.

So you re thinking of reroofing the house yourself and want an estimate for how much roofing material you. 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 total amount of roofing material you need is 17 300 1 730 19 030 square feet. Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.

If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width. Then add 10 to the number to account for waste. The calculator cannot account for complex shapes based on a measurement of square footage alone. Calculate square footage for a roof by measuring and by performing some basic math equations.

How to calculate the roof area using the building square footage the pitch of the roof. Calculate square footage square meters square yardage and acres for home or construction project. Use this information if. Calculate project cost based on price per square foot square yard or square meter.

Make a note of the square footage of each square or rectangular section on your diagram. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Just multiply the length and width dimensions. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square.

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. With the area measurement you can learn the approximate cost of a new roof. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.