Roof Area & Pitch Calculator

Get true roof surface area and squares from the footprint and pitch.

Roof Plan

Footprint (ft²)

Plan area under roof

Pitch (rise /12)

Roof Area

Roof Area1,677.1 ft²

Squares16.77

Slope Factor1.118

Angle26.57°

Roof surface = footprint × slope factor. 1 square = 100 ft². Add hips/valleys waste separately.

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