How Do I Find The Pitch Of A Roof

First measure 12 inches from one end of the level and make a mark.

How do i find the pitch of a roof.

To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. If you do need to calculate the pitch an estimate or shortcut is usually more practical than measuring the roof s overall dimensions. How to calculate roof pitch.

For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12. Finally enter the value of the rafter length and. Rafter rise run from the pythagorean theorem. Here are the steps to follow for the roof angle calculator.

Then enter the value of the run and choose the unit of measurement from the drop down menu. Divide the slope by two to get the pitch. This is our pitch calculator which will convert pitch to angle or angle to pitch for half degree roof slope calculations. Enter any pitch or fraction of pitch to find angle.

First enter the value of the rise and choose the unit of measurement from the drop down menu. Pitch tan angle where angle is the roof pitch expressed in degrees. Here are a couple examples. You can also estimate a roof pitch by eyeballing it from the ground from the gable side with a level and ruler.

Rise run pitch where pitch is expressed in percent. Divide the results by the number of 12 inch segments in your level.