How To Measure Your Roof Pitch

Run the distance from the outside edge of a perimeter stud wall to the center of the house.

How to measure your roof pitch.

To determine the y height measure from the bird s mouth up the calculated slope x in 12 to the top of the rafter. The run always remains. For a roof with the ridge above one wall the span is the same as the run. Use a pitch.

To find the pitch of your roof you ll first. 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. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.

Roof slope calculator example of use measure the run length it is the horizontal distance between the roof ridge and the wall of the building. This method tends to be more accurate because no layers of roofing are involved. To determine the finished height of the ridge beam add the rise m and the y height. Stretch your tape measure along the walls from end to end.

On a ladder at the walled part of the pitched roof place the level against the roof overhang rafter with the 12 inch. The level should be at least 12 long. Roof pitch calculator results explained. To use this method there are 3 possible places to take your measurements.

Make sure your have a 12 mark on your level. Roof pitch angle in degrees the measurements are taken from the bottom of the rafters the procedure to calculate roof pitch is the same. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Using ruler and tape you can do it anyway of these ways.

Some levels have markings already and in this case you are ready to go unless you have a factory label that covers the 12 mark like we do. The slope is the same as the pitch. The pitch is the steepness of the roof. Calculate the pitch of the roof.

Find the length and width of the building s exterior walls. The value displayed as the rise will be your x. Measuring your roof from the ground 1. The top of the ridge beam m y.

For more complex roofs you may need to calculate it section by. First measure 12 inches from one end of the level and make a mark.