Roof Pitch Calculator
Convert rise/run into pitch, angle, and slope factor.
Roofing
Pitch, squares, shingles, and roof material planning tools.
Roofing Squares Calculator
Convert roof area into roofing squares for ordering.
Shingle Bundle Calculator
Estimate asphalt shingle bundles from roof squares.
Metal Roofing Estimator
Estimate metal panel coverage from roof area and panel width.
Roof Underlayment Calculator
Estimate underlayment rolls from roof surface area.
Ridge Cap Calculator
Estimate ridge and hip cap shingles by length.
Roof Drip Edge Estimator
Estimate drip edge linear feet for eaves and rakes.
Flat Roof Membrane Calculator
Estimate membrane coverage for low-slope roofs.
Roof Ventilation Helper
Estimate net free ventilation area from attic floor area.