How To Determine Roof Slope Angle

Find the inverse tangent of the pitch to find the angle in degrees.

How to determine roof slope angle.

With the help of these roof pitch degree calculator programs you can make sure that your home is nice and balanced. A 12 12 pitch roof has a pitch angle of 45. The pitch is commonly defined as the ratio of rise over run in the form of x 12. Homes and other buildings have roofs with slopes ranging from no slope or flat to very steep slopes.

Roof pitch is used to describe the slope or angle of the roof. The angle or pitch of a roof is calculated by the number of inches it rises vertically for every 12 inches it extends horizontally. What degree angle is a 12 12 pitch roof. To convert between american roofing ratios and pitch degrees follow these steps.

Divide the first part of the ratio by 12 to work out the pitch. 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 roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. The roof pitch is the slope of the rafter.

For example a roof that rises 6 inches for every 12 inches of horizontal run has a 6 in 12 pitch. After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually. What is the roof 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.

Roof pitch calculator results explained. If you want to know how to find the pitch of a roof then start with a calculator. For example if a roof has a pitch of 4 12 then for every 12 inches the building extends horizontally it rises 4 inches. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

The rise is the height of the roof and the run is the horizontal span as pictured above. How to calculate the pitch of a roof. It always makes sense to the standard roof pitch angle spot on as the benefits of doing so are quite obvious.