How Do I Find The Pitch Of A Roof

Rise run pitch where pitch is expressed in percent.

How do i find the pitch of a roof.

First enter the value of the rise and choose the unit of measurement from the drop down menu. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Then enter the value of the run and choose the unit of measurement from the drop down menu.

Divide the results by the number of 12 inch segments in your level. How to calculate roof pitch. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. First measure 12 inches from one end of the level and make a mark.

If you do need to calculate the pitch an estimate or shortcut is usually more practical than measuring the roof s overall dimensions. This is our pitch calculator which will convert pitch to angle or angle to pitch for half degree roof slope calculations. You can also estimate a roof pitch by eyeballing it from the ground from the gable side with a level and ruler. For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12.

Here are a couple examples. Rafter rise run from the pythagorean theorem. Pitch tan angle where angle is the roof pitch expressed in degrees. How to measure roof pitch.

Here are the steps to follow for the roof angle calculator. Finally enter the value of the rafter length and.