Shingle Bundles Per Square Guide
Convert roofing squares to shingle bundles using product coverage and waste.
Know roofing squares
One roofing square equals 100 square feet of roof area.
Check bundles per square
Many asphalt shingles use three bundles per square, but premium products can differ.
Add waste first
Calculate roof squares after waste, then convert to bundles and round up.
Separate ridge and starter
Ridge caps and starter strips may come in different bundles or products.
FAQ
Are three bundles always one square?
No. Always check the selected shingle packaging.
How do I round bundles?
Round up to whole bundles after adding waste.
Do underlayment rolls use the same square count?
Underlayment is estimated separately by roll coverage.
Related guides
Next step
Open the calculators and enter your dimensions to estimate materials before you shop.