Estimate flooring area, waste allowance, and boxes required for a room.
Planning estimate only. Verify dimensions, waste, coverage, product specifications, and local requirements before purchasing materials.
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Room area = length × width. Purchase area = room area × (1 + waste percentage). Boxes required = purchase area ÷ box coverage, rounded up.
A 15 ft × 12 ft room is 180 sq ft. With 10% waste, plan for 198 sq ft; at 20 sq ft per box, that is 10 boxes.
Flooring is normally sold only in complete boxes, so a fractional box cannot satisfy the estimate.
Straightforward layouts often use 5–10%; complex patterns or irregular rooms may need more.
Include every surface that will receive the flooring, measured separately when necessary.
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