Roofing Calculator Directory

Select a specialized calculator below to compute roof pitch, rafter lengths, area multipliers, shingle bundle counts, or gable framing specs.

Calculate pitch ratio, slope percentage, incline angle, and pitch multiplier from rise and run.

Determine common rafter length, overhang extension, ridge rise, and total span requirements.

Calculate total roofing squares, shingle bundles, and waste percentage adjustments.

Calculate total sloped roof surface area in sq ft and sq meters based on roof pitch.

Convert ground footprint dimensions and pitch factor into true roof square footage.

Convert pitch rise and run values into exact roof angle degrees and radians.

Compute slope percentage and gradient ratio from rise and run measurements.

Calculate dual-slope gable roof dimensions, rafter lengths, ridge span, and area.