The distance from the top of a stud wall to the peak of the roof.
How do you figure square footage of a roof.
Once you have your roof s pitch divide the number by 12.
Convert the area to roofing squares.
This would yield 1 3 next square your result.
Because each 100 square feet of roof is one roofing square divide.
How do you calculate square footage for a roof.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Include dormers the small outjuttings over attic windows.
Multiply this number by your most recent result to get the estimated square footage of your roof.
1 300 x 1 05 1 365 square feet calculating the area true if you want to get the exact area measurement for your roof you can follow these steps.
Multiply the length and width of each square or rectangle shaped plane.
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 calculator cannot account for complex shapes based on a measurement of square footage alone.
The distance from the outside edge of a perimeter stud wall to the center of the house.
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.
Multiply the length by the width to arrive at.
The run always remains constant at 12 inches.
Measure the ground dimensions of the house using a tape measure and write down these dimensions.
Roof pitch is measured by rise run.
For example if your roof s pitch is 4 in 12 you would divide 4 by 12.