How Do I Determine The Pitch Of My Roof

Make sure your have a 12 mark on your level.

How do i determine the pitch of my roof.

Roof pitch calculator results explained. Here s an easy safe way to determine the pitch from inside your attic. If you can t get to your attic you can measure slope on your rooftop as long as it s safe to go up there. After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually.

After measuring the slope estimate the roof pitch by dividing the slope by 2. Check your results with the omni roof pitch calculator. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Before you calculate roof pitch you ll need to measure the slope of your roof.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Angle the angle of a roof is the same as the roof s slope except instead of being. Marvel at your mathematical. A 12 12 pitch roof has a pitch angle of 45.

The easiest way to do this is by accessing a rafter in your attic if you can. When you need to determine your roof pitch all you need is a bubble level and a tape measure. Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. The level should be at least 12 long.

First measure 12 inches from one end of the level and make a mark. The roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need.