Roof Pitch Conversion Chart

The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed.

Roof pitch conversion chart.

Roof pitch calculator results explained. Enter base length to calculate rise and diagonal for current pitch angle. Set bevel gauge directly from phone or tablet screen. To convert between american roofing ratios and pitch degrees follow these steps.

Visit this page on your phone to directly measure pitch and angles. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually. If this isn t practical then perform the same measurement on the underside of the roof.

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 combination of two numbers are used to display or show the roof pitch. For example if you measure 4 inches the pitch of your roof is 4 12. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.

We included a roof pitch chart below the 7 12 example image and the calculator below that. Directly measure roof pitch angle and calculate pitch and angle on phone or tablet. There are many tools out there. 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.

Select inches to enter decimal inches or millimeters for metric. A 12 12 pitch roof has a pitch angle of 45. What is a roof pitch chart. Divide the first part of the ratio by 12 to work out the pitch.

Check your results with the omni roof pitch calculator. Roof pitch is used to describe the slope or angle of the roof. Roof angles and rafter plumb cuts. 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.

Marvel at your mathematical. Roof pitch degree table. Usually they come in the form of a roof pitch diagram chart but other times it will be presented to you in a conversion format. Angle the angle of a roof is the same as the roof s slope except instead of being.

On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length. Find the inverse tangent of the pitch to find the angle in degrees. Image 1 12 to 12 12 roof pitch 7 12 pitch. This will give you the rise over run or pitch.

The headache of using pythagoras and trigonometry can be spared by making use of these charts.