If the house has an irregular shape measure each part separately figure the separate areas and add them together.
Look up square foot of my roof.
8 inches and you have an 8 in 12 pitch.
How to calculate square feet of a roof step 1.
Using this tool will be very helpful for you in finding out the acreage or the tract of land of your property.
It is often compared to slope but is not exactly the same.
Pitch measurement method 2 2.
Multiply the length and width of each square or rectangle shaped plane.
A square is 100 square feet or an area 10 x10.
Include dormers the small outjuttings over attic.
On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.
Calculate each plane separately.
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.
If you have a roof section that s 30 feet 9 1 m long and 12 feet 3 7 m high multiplying those dimensions would give you an area of 180 square feet 17 m 2.
Because each 100 square feet of roof is one.
It will also give you the perimeter of the shape of the roof.
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.
It will also show the perimeter of the shape.
10 add up the areas of each section to get your total square footage.
Hope it helps alan j warshawer august 13.
Convert the area to roofing squares.
Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.
This is the steepness of your roof.
Each time you add points the area will update and there is a box below that will convert this into acres meters kilometers miles and finally square feet.
If this distance measures 4 inches you have a 4 in 12 pitch.
Measure the length and width of every roof plane or surface.
If you re researching a new roof it s easy to become overwhelmed.
Measure and mark the square footage of each triangular section carefully as these tend to differ in size.
As you add points the area will be updated below and converted into acres square feet meter kilometers and miles.