How Do I Determine The Pitch Of My Roof

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.

How do i determine the pitch of my roof.

The level should be at least 12 long. After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually. 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.

Marvel at your mathematical. 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. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Find the inverse tangent of the pitch to find the angle in degrees.

When you need to determine your roof pitch all you need is a bubble level and a tape measure. 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. 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.

First measure 12 inches from one end of the level and make a mark. Before you calculate roof pitch you ll need to measure the slope of your roof. Check your results with the omni roof pitch calculator. A 12 12 pitch roof has a pitch angle of 45.

Make sure your have a 12 mark on your level. After measuring the slope estimate the roof pitch by dividing the slope by 2.