How many 18" tiles for a 10×12 room?
Answer
59 tiles (6 boxes)
Room area with 10% waste: 132 sq ftTile size: 18"×18"10 tiles per box
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How We Calculated This
Tiles = ceil((L × W × 1.10) / tile area)
Area = 10 × 12 = 120 sq ft. With 10% waste = 132 sq ft. Each 18" tile = 2.25 sq ft. Tiles = 59.
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Calculated using verified formulas. Last updated March 2026.