Roof Pitch Calculator
Convert roof pitch (x in 12), angle in degrees and slope percent, and calculate rafter length and actual roof area.
in 12
Formula
pitch = rise/run × 12; angle = atan(rise/run); slope factor = 1/cos(angle)Convert roof pitch (x in 12), angle in degrees and slope percent, and calculate rafter length and actual roof area.
pitch = rise/run × 12; angle = atan(rise/run); slope factor = 1/cos(angle)