The size of spacer you need depends on whether you're tiling a wall or floor, on the size of tile you're using and on the aesthetic appearance you want to achieve. There are no hard and fast rules regarding spacer sizes although, as a general rule, 2 mm are suitable for walls and 4 mm for floors. 4 mm can, however, be used on walls Tile spacers are available in the market from width sizes ranging from 2mm to 6mm. Lightweight and sturdy plastic is the primary material for tile spacer production. The selection of tile spacers depends on the personal preference and the standards. Proper tile spacing with the help of tile spacers allows free movement of tile to consider the Spacer Size = (Tile Size - Desired Spacing) / 2. Where: Spacer Size is the size of the tile spacer you need. Tile Size is the dimension of the tile (length or width, depending on the orientation). Desired Spacing is the gap you want between tiles. Tiles spacers come in a variety of sizes ranging from 1mm to 10mm. The choice of tile spacer is very much down to the individual, but the general recommendation is that you use either a 2mm to 3mm tile spacers for wall tiles and a 3mm to 5mm tile spacer for floor tiles. Can tile spacers be used with all types of tiles? Applications: To create uniform spacing between tiles/stones resulting in an aesthetic and functionally stable tile/ stone assembly. Spacer sizes : 2 mm, 3 mm, 4 mm, 5 mm , 6 mm, 8 mm &10 mm Tile spacers range in size from 1/8-inch to 3/8-inch. Typically, grout lines on a tiled wall, backsplash, or shower stall should be thinner, from 1/8-inch to 1/4-inch, while grout lines for floor tiles and other horizontal surfaces should be a bit wider, from about 1/4-inch to 3/8-inch. .

tile spacer sizes in mm