Roof Pitch Conversion Table

To see what the degree equivalents are for standard rise in run roof pitches see our page quick reference.

Roof pitch conversion table. 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. What is a roof pitch chart. Now divide the rise by the multiplier to get the pitch eg. Roof slope expressed as rise.

Roof pitch refers to the measurement of the slope of a roof and you express this as a ratio. The following table shows the roof pitch rise in run equivalents for all roof slopes in degrees from 1 to 72. 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. Roof pitch and corresponding angles.

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. Pitch tan angle use this when you express the angle of the roof pitch in degrees what is the standard pitch of a roof. The pitch of this roof is 4 8 12. 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.

48 10 4 8. The calculator above can handle much of this math. 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. This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees.