Roof Slope Degrees Chart

Rafter rise run 1 5 6 2 25 36 38 25rafter 38 25 6 18 m.

Roof slope degrees chart.

In essence a roof pitch chart is provided as a rough guide usually by a roofing company. Recalculate this value into an angle. The combination of two numbers are used to display or show the roof pitch. Pitch rise run 1 5 6 25.

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. Finally you can find the roof pitch in the form of x 12. Then you ll be able to measure slope from an unfinished attic space under the roof. To obtain an accurate roof pitch measurement properly measure the rise and run.

Using a tape measure make a pencil mark 12 inches from the end of a carpenter s level. A ratio of 1 1 62 is known as the golden ratio and therefore the vast majority of roof pitch in degrees charts you see will be working to this ratio at the very least. Calculate the roof pitch as the proportion of rise and run. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof.

Other than the 45 roof slope which is 12 in 12 none of the standard roof pitches 5 in 12 6 in 12 etc are equal to a whole degree. After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually. Angle arctan pitch arctan 0 25 14.