How Do I Get The Pitch Of A Roof

Another method to find the roof pitch is to go into the attic and measure the rise for a 12 run of the roof rafters which allows finding the pitch without going on the roof.

How do i get the pitch of a roof.

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. If you do need to calculate the pitch an estimate or shortcut is usually more practical than measuring the roof s overall dimensions. Enter any angle or fraction of angle to find pitch.

For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. Find the tangent of the angle tan angle. Here are a couple examples. This gives you the pitch of the roof.

How to measure roof pitch. Here are the steps to follow for the roof angle calculator. First measure 12 inches from one end of the level and make a mark. From the attic hold a level perfectly level and touching a rafter at one end.

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

Finally enter the value of the rafter length and.