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Materials & Projects

Roof Shingle Bundle Calculator

Enter roof area and bundle coverage to estimate how many shingle bundles are needed. This is a material planning tool only.

Last updated: May 2026

Unit system Switch between U.S. customary and metric units. Your choice is remembered on other calculators.

Roof area and bundle coverage

If you know roof squares, multiply by 100 for square feet. Many asphalt shingles use about 3 bundles per square, but check the package.

sq ft
sq ft/bundle
Many shingles cover about 33.3 sq ft per bundle, but products vary.
Advanced settings
%

Buying and sizing notes

How to use this estimate

What this includes

  • The required inputs shown on this page
  • common planning assumptions
  • optional advanced adjustments where provided

What it does not include

  • site-specific professional design
  • local code approval
  • manufacturer-specific requirements
  • installation quality

Common mistakes

  • Leaving a required input at the default when your situation is different
  • ignoring product labels or ratings
  • treating the estimate as an exact final answer

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