# Roof Pitch Angle Conversion Chart

### To do this simply convert the rise and run as a fraction to a decimal form eg.

Roof pitch angle conversion chart.

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 angle greatly factors into the replacement cost of the roof. To find the angle of a roof in degrees convert the pitch to a slope then convert to degrees by finding the arc tangent of the slope. While measuring tap to hear the spoken angle continuously as it changes.

In essence a roof pitch chart is provided as a rough guide usually by a roofing company to help you see what the average roof pitches tend to be. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

To convert between american roofing ratios and pitch degrees follow these steps. 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 convert the pitch to a slope. What degree angle is a 12 12 pitch roof.

After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually. Roof angles and rafter plumb cuts. How to convert roof pitch to degrees. The combination of two numbers are used to display or show the roof pitch.

Roof pitch angle and slope factor charts. A steep roof usually sheds water quickly which is quite difficult to work on. Visit this page on your phone to directly measure pitch and angles. Outside of the u s a degree angle is typically used.

A 12 12 pitch roof has a pitch angle of 45. Divide the first part of the ratio by 12 to work out the pitch. Roofs having a lower pitch have a greater chance of creating water leaks as well as ice damming and so they require an intensive waterproofing system. Angle the angle of a roof is the same as the roof s slope except instead of being.

Roof pitch is a term describing how steep or flat your roof slope is. Rise run rise run slope. Tap the button to start measuring and lay your device on an angle roof to measure pitch and angle and animate the diagram. With a mobile device a button will appear.

We included a roof pitch chart below the 7 12 example image and the calculator below that. If this isn t practical then perform the same measurement on the underside of the roof. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used.

### Roof Pitch Calculator Roof Truss Design Pitched Roof Building Roof

Source : pinterest.com