Roof Slope Conversion Tables

Last updated july 10 2020.

Roof slope conversion tables.

To obtain an accurate roof pitch measurement properly measure the rise and run. The combination of two numbers are used to display or show the roof pitch. Slope as grade for an elevation of 1 m over a distance of 2 m can be calculated as. If this isn t practical then perform the same measurement on the underside of the roof.

The following table shows the roof pitch rise in run equivalents for all roof slopes in degrees from 1 to 72. Inches rise112degrees per 12 inches of run. If you can give them the exact chart and measurement that you like the look of they can work to those specifications. The charts are there to provide people with an idea of what the actual slope will.

We included a roof pitch chart below the 7 12 example image and the calculator below that. Roof slope expressed as rise. Using a tape measure make a pencil mark 12 inches from the end of a carpenter s level. Roof pitch refers to the measurement of the slope of a roof and you express this as a ratio.

Horizontal to vertical slope ratio to 1 percent slope degrees slope slope ratio. Line to roof surface. The table below shows common roof pitches and the equivalent grade degrees and radians for each. 4 3 1 slope.

3 1 or 3 to 1 percent slope. 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. To see what the degree equivalents are for standard rise in run roof pitches see our page quick reference. Image 1 12 to 12 12 roof pitch 7 12 pitch.

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. S grade 1 m 2 m 50 slope and roof pitch. Run horizontal distance from rise2 50 0 208 11 77. Rise vertical distance from11 00 0 083 4 76.

Roof pitch on the form x 12 can be expressed in grades as. Most roof s have a pitch in the 4 12 to 9 12 range. 18 4o inches per foot. You can find the roof pitch in the form of x 12 like 4 12 or 9 12.

Horizontal surface to roof surface1 50 0 125 7 12 2 00 0 167 9 46. Roof pitch degree table. Roof pitch conversion charts are very useful for one thing they give you all the information that you need to provide to the professionals. Roof pitch is the slope created by the rafter.

Example slope as grade. Then you ll be able to measure slope from an unfinished attic space under the roof.