It can be expressed as the amount of vertical rise in inches for every foot of horizontal length along the gable. Find two nice points. Roof Pitch Calculator Results Explained.
The Slope Calculator is apt of carrying out mathematical operations with the following algorithms.
The simple way to think of the formula is. To determine the finished height of the ridge beam add the Rise M and the Y height. All you need. To determine the Y height measure from the birds mouth up the calculated slope X in 12 to the top of the rafter.