Roofing calculators: Gambrel Roof Calculator by HABIB posted on February 25, 2025 0 Gambrel Roof CalculatorBuilding Width ftmcmTotal Roof Height ftmcmUpper Slope Angle (degrees) °Lower Slope Angle (degrees) °Upper Slope Length ftLower Slope Length ft Previous article Birdsmouth Cut Calculator Next article Metal Roof Cost Calculator Related posts Roofing calculators: Rafter Length Calculator March 1, 2025