Measure room length × width to get base square footage. Always add a waste factor before ordering — you can't go back mid-job if you run short.
Recommended Waste Factors by Installation
Straight lay (LVP, laminate) — 10% overage
Diagonal pattern — 15% overage (more cuts = more waste)
Herringbone / chevron — 15–20% overage
Tile with pattern — 10–15% depending on complexity
Carpet — 10% + account for seam placement
Boxes vs. Square Feet
LVP and laminate are typically sold in boxes covering 20–24 sq ft per box
Tile is sold in boxes by the sq ft — check the label for exact coverage
Hardwood is often sold by the carton (22–25 sq ft) or by the piece
Always order from the same lot number to ensure consistent color matching
Pro Tip: Irregular Rooms
For L-shaped or irregular rooms, break the space into rectangles, calculate each separately, and add them together. Add extra waste for the seams and cuts where shapes meet.
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