Step 2 section the roof.
How to measure roof for square footage.
Convert the area to roofing squares.
Calculate the pitch of the roof.
The pitch is the steepness of the roof.
Thus in a simple style house you ll only have to click on the corners.
The first step in a free roofing estimate is measuring the roof dimensions.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
Find the length and width of the building s exterior walls.
The calculator cannot account for complex shapes based on a measurement of square footage alone.
If your roof is 5 000 square feet.
Each square is 100 square feet.
Use a pitch.
Outline the roof at the points that are on the same level or elevation to ensure that you re getting an accurate calculation of your roofing measurements.
If you were to click on the peaks it wouldn t give you an accurate reading of your measurement.
To find the pitch of your roof you ll first.
A home s roof is measured in squares.
Because each 100 square feet of roof is one roofing square divide.
How do you calculate square footage for a roof.
For example take an area made up of a triangle that s 20 feet high and has a base of 40 feet plus a square that s 40 feet by 40 feet.
Step 4 take ground measurements.
You will need to express this size in terms of square feet.
How to measure roof square.
Measuring your roof from the ground 1.
Stretch your tape measure along the walls from end to end.
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.
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.
Measure the ground dimensions of the house using a tape measure and write down these dimensions.
Step 3 consider the roof slope.
Divide any irregularly shaped areas of the roof into more manageable triangles and rectangles then calculate square footage for those individual elements and add them to get the total square footage.