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Roofing Calculator (Shingles)

Calculate Shingle Bundles Replacing a roof? Use this tool to estimate exactly how many bundles of shingles you need to buy. Formula used: Imperial: Area / 33.33 (Standard 3-tab or Architectural shingles) Metric: Area / 2.32 (Standard Metric packs) Pro Tip: Never skimp on safety. Roof work is dangerous. Ensure you have a proper harness and anchor point before starting.

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Calculate Shingle Bundles

Replacing a roof? Use this tool to estimate exactly how many bundles of shingles you need to buy.

Formula used:

  • Imperial: Area / 33.33 (Standard 3-tab or Architectural shingles)
  • Metric: Area / 2.32 (Standard Metric packs)

Pro Tip: Never skimp on safety. Roof work is dangerous. Ensure you have a proper harness and anchor point before starting.

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