Roofing Calculator
Calculate roofing materials needed for your roof. Estimate shingles, squares, and costs based on roof dimensions and pitch.
InputsLive
ft
ft
/12
Results
Roof Area
1,264.91 sq ft
Squares Needed12.65
Bundles Needed38
Estimated Cost$1,264.91
How to Use This Calculator
- Enter the roof footprint length and width in feet (the horizontal plan dimensions).
- Set the roof pitch as a rise-over-run value (e.g., 4 for a 4/12 pitch).
- Optionally enter your cost per square (100 sq ft) from the roofing contractor's quote.
- Read the actual roof area in sq ft, number of squares, bundles of shingles needed, and estimated cost.
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