Free tool
Roofing Calculator
Estimate roofing squares and shingle bundles from your home's footprint and roof pitch - the same first math a roofer does.
Roof area1,845 sq ft
Roofing squares18.4
Shingle bundles (3/square)~56
Good to know
- A "square" is 100 sq ft of roof surface; architectural shingles come 3 bundles per square.
- Hips, valleys, and dormers add cuts - steep or complex roofs deserve 15% waste.
- Tear-off, underlayment, flashing, and ventilation are where real quotes vary most.
Want the full picture, not just materials?
Describe the project and get a contractor-style planning estimate - scope, labor, materials, and a realistic range - free.
Planning estimates based on standard rules of thumb. Actual material needs vary with site conditions, product dimensions, and installation method - confirm quantities with your contractor or supplier before ordering.