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How many 6" tiles for a 20×20 room?

Answer
1,761 tiles (177 boxes)
Room area with 10% waste: 440 sq ftTile size: 6"×6"10 tiles per box

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How We Calculated This

Tiles = ceil((L × W × 1.10) / tile area)

Area = 20 × 20 = 400 sq ft. With 10% waste = 440 sq ft. Each 6" tile = 0.25 sq ft. Tiles = 1,761.

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Calculated using verified formulas. Last updated March 2026.