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.
How do i get the square footage of my roof.
Calculate project cost based on price per square foot square yard or square meter.
Calculate square footage square meters square yardage and acres for home or construction project.
You ll need to figure out the vertical distance also known as the rise over a 12 horizontal segment.
Things you will need steel tape measure.
How to determine your roof pitch.
Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.
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.
The next step is to measure the pitch also referred to as the roof slope of the roof deck.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
The top ridge will be shorter than the one of the gable roof but the four hips will add to the ridge length.
The square footage of a hip roof area is identical to the square footage of a gable roof of the same size.
As you add points the area will be updated below and converted into acres square feet meter kilometers and miles.
The total amount of roofing material you need is 17 300 1 730 19 030 square feet.
How to calculate square footage for rectangular round and bordered areas.
This tool is useful for finding the approximate acreage or a tract of land the square footage of a roof or any other instance where you need a good estimate of the area of something.
Enter measurements in us or metric units.
The only difference in this calculation to the one for a gable roof area is the amount of the ridge.
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.
Calculate square feet meters yards and acres for flooring carpet or tiling projects.
The calculator cannot account for complex shapes based on a measurement of square footage alone.
It will also show the perimeter of the shape.
Multiply the number of roofing squares for a medium pitch roof by 1 12 to 1 25 or by 1 3 to 1 42 for a high pitch roof to get the square roof area.
