Calculator

Shingle Bundle Calculator

Three bundles cover one roofing square (100 sq ft). This calculator adds a 10% waste factor for cuts, hips, and starter courses so you order the right amount the first time.

Squares
22.0
Bundles
73

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Frequently asked

How many bundles of shingles are in a square?
Three bundles of standard architectural shingles cover one roofing square (100 sq ft). Heavier designer shingles may require four bundles per square.
How much waste should I add?
Add 10% for a simple gable roof, 15% for hipped roofs, and up to 20% for roofs with many valleys, dormers, or skylights.