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Flooring Calculator

Flooring is sold in boxes, and cuts create waste. Ordering the exact room area leaves you short, so this tool adds a waste allowance and rounds up to whole boxes.

Your result appears here after you press Calculate.

How it is calculated

  • Area = length × width.
  • Order area = area × (1 + waste percentage).
  • Boxes = order area ÷ coverage per box, rounded up.

Assumptions and limits

  • Waste is often higher for diagonal layouts, patterns and rooms with many corners.
  • Coverage per box is printed on the product packaging.

Material estimates are for planning and ordering guidance. Coverage, yield and dimensions vary by product, so check the manufacturer's labeling. Structural work, roofing at height and code compliance should be handled by qualified professionals and confirmed with your local building department.

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