How Does This Calculator Work?
The calculator adds your waste percentage to the room area, then divides by the coverage of a single tile, rounding up to a whole tile count.
Cutting tile to fit room edges always creates some waste. This calculator adds a waste allowance to your room area before dividing by each tile's coverage.
Example Calculation
Bathroom Floor Example
A 100 sq ft bathroom, 18"×18" tiles (2.25 sq ft each), 10% waste.
(100×1.10)/2.25 ≈ 48.9, rounded up to 49 tiles.