Roofing Calculators

Tools for sizing roofs and ordering roofing materials. Square footage and shingle calculators are live — more roofing tools are on the way.

Total roof area in square feet and roofing squares, with pitch and waste factor built in.

Bundles needed based on roof area, including starter and ridge cap.

Convert between rise/run, angle in degrees, and percent slope.

Coming soon

Common rafter length from span and pitch, with rise and run breakdown.