How to calculate your roof square footage first measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
Roof framing measurements.
We ll use satellite imagery and trigonometry to calculate your roof s measurements.
8 inches and you have an 8 in 12 pitch.
Measure down y height from the long point of the rafter cut and make a mark.
Roof reports and wall reports made easy.
This will the first point of the rafter measurement line.
This is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
If this distance measures 4 inches you have a 4 in 12 pitch.
Pitch measurement method 1.
Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run.