Drag sliders to animate the results and diagram.
15 degree angle roof.
To convert between american roofing ratios and pitch degrees follow these steps.
Tap the button to start measuring and lay your device on an angle roof to measure pitch and angle and animate the diagram.
Common roof pitches and equivalent grade degree and radian angles.
The triangle diagram will be re drawn to scale with all dimensions marked.
Roof pitch calculator results explained.
Although there s isn t any standard pitch of a roof used on all kinds of sloped roofs you can determine the range of pitches by using a roof angle calculator and by considering factors like the local climate and roofing materials.
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.
Roof pitch refers to the measurement of the slope of a roof and you express this as a ratio.
Roof angles and rafter plumb cuts.
A 30 degree roof slope 7 12 pitch is the right pitch to aerodynamically handle high wind.
Angle the angle of a roof is the same as the roof s slope except instead of being.
Find the inverse tangent of the pitch to find the angle in degrees.
Visit this page on your phone to directly measure pitch and angles.
While measuring tap to hear the spoken angle continuously as it changes.
A 12 12 pitch roof has a pitch angle of 45.
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.
This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees.
The 30 degree 7 12 roof recommendation is backed up by testing according to the publication science daily.
Enter run the flat level length then click pitch angle or rise to select then enter other known dimension angle or pitch.
Enter any angle or fraction of angle to find pitch.
A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof.
With a mobile device a button will appear.
Divide the first part of the ratio by 12 to work out the pitch.
Roof pitch degree table.
Enter any pitch or fraction of pitch to find angle.
However if you to do the process using your own knowledge you can still convert pitch to degrees by dividing the rise and run and get its corresponding measurement.
Steeper slopes increase the sail effect that makes them susceptible to wind.
With the use of this converter it will be easier for you to locate a 30 degree roof pitch 20 degree roof pitch 25 degree roof pitch or a 15 degree roof pitch.
Most roof s have a pitch in the 4 12 to 9 12 range.