Roofing Calculators

Estimate roofing materials, shingle quantities, roof area, and pitch.

Calculate roofing materials needed. Estimate shingle bundles, underlayment, and total roofing cost.

Calculate roof pitch, slope, angle, and pitch factor. Convert between rise/run ratios, degrees, and percentage.

Calculate the exact number of shingle bundles needed for your roof. Accounts for roof pitch, waste, and shingle type.

Calculate roof sheathing (plywood/OSB) needed for your roof. Estimate sheets, cost, and fasteners.