Roofing Calculators - SmartEstimatorHQ

Estimate total material and labor cost for a re-roof based on roofing squares.

Calculate how many drip edge pieces you need for the eaves and rakes of a roof.

Estimate total gutter footage, downspout count, and downspout footage from your roof perimeter.

Calculate how many metal roofing panels you need based on roof width and panel coverage.

Estimate how many pounds and boxes of roofing nails you need by the square.

Convert rise and run into roof pitch, angle in degrees, and the slope-length multiplier.

Calculate roofing squares, shingle bundles, and nails needed based on your roof footprint and pitch.

Find out how many rolls of felt or synthetic underlayment your roof needs, including overlap.

Calculate how much attic ventilation area you need, split between intake and exhaust vents.