Gambrel Roof - Square Footage Calculator

Calculate the square footage of a Gambrel style roof using imperial measurements.

The "Lower Slope Length" is measured from outside wall to the start of the upper sloped roof section.

Instructions

1. Enter the length of the building. (feet+inches)
2. Enter the width of the building. (feet+inches)
3. Enter the overhang of the eaves. (inches)
4. Enter the overhang of the gable. (inches)
5. Enter the pitch of the upper roof (rise /12")
6. Enter the pitch of the lower roof. (rise /12")
7. Enter the lower pitch length. (feet+inches)