How To Measure The Pitch Of A Roof In Degrees

This drawing demonstrates how many degrees rise for each pitch of a typical roof.

How to measure the pitch of a roof in degrees.

If you know the angle of the roof in degrees you can find the roof pitch by converting the angle in degrees to a slope then finding the rise by multiplying the slope by 12. Angle arctan pitch arctan 0 25 14 finally you can find the roof pitch in the form of x 12. This is why it is normally wise to use an online pitch converter. Move the tape measure along the the roof until it hits the level at exactly the 12 inch mark.

Look at the column labeled pitch then look under degrees to get the corresponding amount of degrees. The pitch of your roof is 3 12. Roof pitch refers to the measurement of the slope of a roof and you express this as a ratio. Extend it upward so it is perpendicular to the level.

Measure the vertical distance from roof to level. Then multiply the slope by 12 to get the rise. It can also be written down as 25 or 14. Hold the 0 mark of the tape measure against the roof.

Other than the 45 roof slope which is 12 in 12 none of the standard roof pitches 5 in 12 6 in 12 etc are equal to a whole degree. First find the slope by finding the tangent of the degrees eg. 8 12 pitch 33 75 degrees. So use the 12 inch level as a constant run and 18 inch ruler as a variable rise.

Unfortunately translating the pitch of a roof into a degree format is actually much more difficult than it may initially appear. Pitch rise run 1 5 6 25. Pitch tan angle use this when you express the angle of the roof pitch in degrees what is the standard pitch of a roof. X pitch 12 0 25 12 3.

Recalculate this value into an angle. You will need to possess a knowledge of trigonometry in order to obtain accurate results. How to convert angle in degrees to roof pitch. Calculate the roof pitch as the proportion of rise and run.

To see roof pitch visual examples. The following table shows the roof pitch rise in run equivalents for all roof slopes in degrees from 1 to 72. Locate its tangent or tan and follow the left row for you to read its corresponding degree.