Calculate each plane separately.
How do you figure square footage of a roof.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Once you have your roof s pitch divide the number by 12.
The distance from the outside edge of a perimeter stud wall to the center of the house.
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.
Measure the ground dimensions of the house using a tape measure and write down these dimensions.
Multiply this number by your most recent result to get the estimated square footage of your roof.
Convert the area to roofing squares.
The distance from the top of a stud wall to the peak of the roof.
Roof pitch is measured by rise run.
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.
Measure the length and width of every roof plane or surface.
How to calculate square feet of a roof.
The run always remains constant at 12 inches.
How do you calculate square footage for a roof.
Because each 100 square feet of roof is one roofing square divide.
For example if your roof s pitch is 4 in 12 you would divide 4 by 12.
Multiply the length by the width to arrive at.
Include dormers the small outjuttings over attic windows.