Angle Of Roof Pitch Chart

After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually.
Angle of roof pitch chart. On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length. The roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need. What is a 4 12 pitch. Roof pitch is a term describing how steep or flat your roof slope is.
Active ventilation products. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. Roof pitches ranging from 0 12 0 degrees to 21 12 60 26 degrees. Most roof s have a pitch in the 4 12 to 9 12 range.
A 4 12 roof pitch is referred to as the roof rises 4 inches in height for every 12 inches as it measured horizontally from the edge of the roof to the centerline. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. Pitch tan angle where angle is the roof pitch expressed in degrees. Learn more about finding the angle of a line using our slope calculator.
The value displayed as the rise will be your x. If you want to find the roof pitch in the form of x 12 simply calculate the pitch and substitute 12 for the run length. To get an idea about different roof pitch angles you can take a look at roof pitch chart. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.
Common roof pitches and equivalent grade degree and radian angles. Click here to view our roof pitch diagram chart.