Tile calculator
Area in sq ft, tile width and length in inches, waste. How many tiles.
CopiedAbout this tile calculator
Floor or wall area and tile size (plus waste percent) estimate tile count or box count for a simple grid layout.
Tiles ≈ area ÷ tile face area, then × (1 + waste%). Box counts divide by tiles-per-box when that field exists.
Not a layout diagram for diagonals, mosaics, or waterproofing. Always dry-lay or plan cuts before you commit odd lots.
FAQ
How is this calculated? Tiles = ceil(area / ((width/12) × (length/12)) × (1 + waste/100)).
What about grout? This uses the tile face. Grout joints mean you may need slightly fewer tiles; waste covers cuts.
Why round up? You cannot buy a fraction of a tile.