Tile Calculator
How many tiles for a floor or wall
Tiling a floor, wall, backsplash or shower? Enter the area to see how many tiles you need in common sizes, with waste for cuts and breakage.
How many tiles do I need?
Divide your area by each tile's coverage. We show common sizes so you can compare. Always add 10% waste (15% for diagonal or herringbone layouts) and keep a few spare tiles from the same batch for repairs.
Frequently asked questions
How much extra tile should I buy?
10% for straight layouts, 15% for diagonal or patterned layouts, plus a few spares for future repairs.
How do I figure tiles for an odd-shaped room?
Break the space into rectangles, calculate each, and add them together using the 'number of areas' field.