How many 6" tiles for a 16×20 room?

1,408 tiles (141 boxes). Room area with 10% waste: 352 sq ft. Tile size: 6"×6". 10 tiles per box

Answer

1,408 tiles (141 boxes)

Room area with 10% waste: 352 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 = 16 × 20 = 320 sq ft. With 10% waste = 352 sq ft. Each 6" tile = 0.25 sq ft. Tiles = 1,408.

Calculated using verified formulas. Last updated March 2026.