Roofing & Gutter Calculators
Estimate roof area, roof pitch, shingles, underlayment, gutters, downspouts, and roofing material requirements for residential and commercial buildings.
Available Calculators
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Gutter Calculator
Calculate gutter runs, downspouts, hangers, accessories, and project cost for roof drainage systems.
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Roof Area Calculator
Calculate roof surface area from building dimensions, roof pitch, and overhang.
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Roof Pitch Calculator
Calculate roof pitch ratio, slope angle, rafter length, and vertical rise from run measurements.
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Roof Shingle Calculator
Calculate shingle bundles, roofing squares, starter strips, ridge caps, and underlayment requirements.
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Roofing Calculator
Calculate roof area, pitch, roofing materials, underlayment, and project costs.