6 calculators
Roofing
Shingle count, roof pitch, metal roofing, and roofing material calculators.
Calculators
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Gutter Sizing Calculator
Estimate gutter width, downspout count and outlet size, section load, and pitch-adjusted roof drainage area from roof area, pitch, gutter run length.
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Ice Water Shield Calculator
Use the ice and water shield calculator to estimate membrane rolls for eaves, valleys, penetrations.
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Plywood Sheathing Calculator
Estimate plywood or OSB sheathing sheets for roof decking from measured area or footprint plus pitch, with roof squares, waste guidance, spare coverage.
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Roof Calculator
Estimate roof area, roofing squares, shingle bundles, underlayment, starter strip, drip edge, ridge cap, nails, metal panels, waste scenarios.
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Roof Pitch Calculator
Convert roof pitch between x/12 ratio, degrees, and percentage slope, and show the roof-area multiplier from rise-and-run or angle measurements.
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Roof Snow Load Calculator
Use this roof snow load calculator to convert mapped ground snow load into balanced flat-roof load, slope-adjusted roof load, optional plan-area total load.
Related categories
Concrete & Masonry
Concrete volume, bag estimates, brick count, and mortar calculators.
Framing & Carpentry
Lumber quantity, board feet, stud spacing, and framing calculators.
Flooring
Tile, hardwood, laminate, and carpet quantity and cost calculators.
Siding
Vinyl, wood, and fibre cement siding quantity and cost calculators.