Roof Pitch Conversion 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.

Roof pitch conversion table.

This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees. Roof pitch and corresponding angles. There are many tools out there. Since pitch is the rise over a 12 inch run divide the run by 12 to get the multiplier in this case 120 12 10.

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. The calculator above can handle much of this math. A roof pitch multiplier also called a roof pitch factor is a number that is multiplied by the area covered by a sloped roof to produce the area of the actual surface of the roof. 48 10 4 8.

The pitch of this roof is 4 8 12. The following table shows the roof pitch rise in run equivalents for all roof slopes in degrees from 1 to 72. Roof pitch refers to the measurement of the slope of a roof and you express this as a ratio. To see what the degree equivalents are for standard rise in run roof pitches see our page quick reference.

For roof slopes expressed as x in 12 rise in run the roof pitch multiplier is determined by finding the square root of rise run 1. Roof slope expressed as rise. Now divide the rise by the multiplier to get the pitch eg. 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.