How To Find The Pitch Of A Roof

Pitch tan angle where angle is the roof pitch expressed in degrees.

How to find the pitch of a roof.

The example to right shows 2 different ways to determine or calculate roof pitch also called roof slope. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. The 7 means that the roof rises 7 for every 12 it runs. For more complex roofs you may need to calculate it section by.

Then enter the value of the run and choose the unit of measurement from the drop down menu. First enter the value of the rise and choose the unit of measurement from the drop down menu. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. How to calculate roof pitch.

First measure 12 inches from one end of the level and make a mark. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. This will allow your project to carry the depth and detail in the roof that you wanted as well as make sure that it will maintain a sturdy and effective nature throughout. Rise run pitch where pitch is expressed in percent.

Here s an easy safe way to determine the pitch from inside your attic. How to calculate the pitch of a roof method one. How roof pitch is calculated to accurately calculate the area of your roof you must first determine its slope or pitch. Here are the steps to follow for the roof angle calculator.

Rafter rise run from the pythagorean theorem. Example a the measurements are taken from on top of the roof. Another method to find the roof pitch is to go into the attic and measure the rise. Pitch is the incline of the roof represented as the ratio of rise to the span twice the run.

Measure from the attic. If you want to know how to find the pitch of a roof then start with a calculator. For a roof with the ridge above one wall the span is the same as the run. Finally enter the value of the rafter length and.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. One method to find the pitch is to climb on the roof and measure the rise for a 12. Simply mark a level at 12 hold it perfectly level and measure from the roof surface to your 12 mark this.

To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page. Measure from the roof. For example if the roof rises 4 feet and the span is 16 feet twice the run then the pitch is 4 16 or 1 4.