Roof Calculator

Calculate roofing materials including shingles (bundles/squares), underlayment, ridge caps, and nails based on roof dimensions and pitch.

31.8Kuses
9/10(175)
Roof Area (with waste)
1543 sq ft
15.4 squares | Pitch angle: 26.6°
Shingle Bundles
47
Squares
15.4
Underlayment Rolls
4
Ridge Caps
40
Nails (lbs)
39
Drip Edge (ft)
140

Roof Area Calculation

Roof area = footprint area x pitch multiplier. A 6/12 pitch multiplies the area by 1.118. One square = 100 sq ft = 3 bundles of shingles.

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