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how to calculate roof slope formula. In civil engineering the slope is the numerical measure of the steepness of a roof. Depending whether the roof area is measured horizontally possibly from a drawing or photograph a correction factor is necessary to determine the actual area of the roof.
The roof pitch angle calculator is used to calculate both the roof slope angle and the missing roof data the projection height length and slope angle of the roof. If you know the roofs angle in degrees you can find the roof pitch by converting the angle in degrees to a slope then finding the rise by multiplying the slope by 12. If you dont want to do a lot of measuring you can use your pitch calculation to get an estimated square footage of your roof.
And lastly calculate the GRADE.
Costh adjacent hypotenuse. Angle arctan pitch arctan 0354 195. First enter the value of the Rise and choose the unit of measurement from the drop-down menu. You can also calculate the pitch ANGLE.