How many 12" tiles for a 5×8 room?

44 tiles (5 boxes). Room area with 10% waste: 44 sq ft. Tile size: 12"×12". 10 tiles per box

Answer

44 tiles (5 boxes)

Room area with 10% waste: 44 sq ftTile size: 12"×12"10 tiles per box

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How We Calculated This

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

Area = 5 × 8 = 40 sq ft. With 10% waste = 44 sq ft. Each 12" tile = 1.00 sq ft. Tiles = 44.

Calculated using verified formulas. Last updated March 2026.