Gambrel Roof Calculator
Calculate gambrel roof — roofing materials and measurements.
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Roof Area
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Roofing Squares
Recent Calculations
What Is Gambrel Roof?
Gambrel Roof estimates roofing materials and measurements for your project.
Frequently Asked Questions
What is a roofing square?
One roofing square = 100 square feet. Shingles are sold by the square.