Enter your area and tile size to work out exactly how many tiles — and boxes — you need, with the grout joint and a wastage allowance factored in.
Pick a standard size or enter your own. The nominal tile dimensions in millimetres.
▼Spacing between tiles.
Cuts & breakage.
Check the pack — it varies by tile size. Used to work out how many boxes to buy.
Tile counts include the grout joint in each tile's footprint plus your wastage allowance. Add extra for diagonal layouts, complex rooms or patterned work, and always keep a few spare tiles from the same batch for future repairs. Confirm the pieces-per-box figure on the actual packaging.