Tile Quantity Calculator โ Grout Gap and Allowance
Enter surface and tile dimensions, grout gap, cutting allowance and pack size to calculate the tile layout and boxes to buy.
Base layout
Tiles with allowance
Boxes to buy
Each direction is (surface + gap) รท (tile + gap), rounded up. The allowance is added to the base count, then boxes are rounded up.
This assumes a straight grid on a rectangular surface. Increase the allowance for diagonal or herringbone layouts, complex edges or shade selection, and verify the actual pack size.