Roofing Calculators

Roof Pitch is evaluated from Rise, Run and Full Roof Span. The calculation reports Roof Pitch, Slope Angle and Rafter Length.

Roofing Materials is evaluated from House Footprint Length, House Footprint Width and Roof Pitch. The calculation reports Roof Area, Roofing Squares and Shingle Bundles.

Insulation R-Value is evaluated from Insulation Type, Target R-Value and Existing R-Value. The calculation reports R-Value per Inch, Inches Needed and Bags Needed or Sq Ft.

Gutter Size is evaluated from Roof Width, Roof Section Length and Roof Pitch. The calculation reports Effective Drainage Area, Peak Flow Rate and Recommended Gutter Size.