How Do I Determine The Pitch Of My Roof

Before you calculate roof pitch you ll need to measure the slope of your roof.

How do i determine the pitch of my roof.

Find the inverse tangent of the pitch to find the angle in degrees. To convert between american roofing ratios and pitch degrees follow these steps. 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.

Marvel at your mathematical. Angle the angle of a roof is the same as the roof s slope except instead of being. Divide the first part of the ratio by 12 to work out the pitch. When you need to determine your roof pitch all you need is a bubble level and a tape measure.

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. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. 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. After measuring the slope estimate the roof pitch by dividing the slope by 2.

Make sure your have a 12 mark on your level. A 12 12 pitch roof has a pitch angle of 45. Here s an easy safe way to determine the pitch from inside your attic. Check your results with the omni roof pitch calculator.

Roof pitch calculator results explained. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.