Metal Roof Calculator
Frequently asked
How do you calculate metal roof area?
Multiply roof length by width to get flat area, then adjust for slope using the cosine factor. This calculator adds wastage and computes sheet area.
What is the standard slope for metal roofs?
Metal roofs typically have a slope of 5 to 30 degrees. The calculator uses the slope to adjust the effective area.
Should I include insulation under a metal roof?
Insulation is recommended for thermal comfort and condensation control. This calculator includes it as an optional line item.
Which related calculators pair well with the Metal Roof Calculator?
People installing metal roofs often also need Polycarbonate Sheet Calculator and Tensile Fabric Calculator. Each is free and quotation-ready.