Calculate how many tiles you need for your floor or wall project. Free online tile calculator with waste factor and box estimation.
The tile calculator helps you estimate the number of tiles needed for your flooring or wall tiling project. Enter room dimensions and tile size to get the number of tiles required, including a waste factor for cuts and breakage.
Tiles = Area (sq ft) / Tile Area (sq ft) | With Waste = Tiles × 1.10Room area is length × width. Tile size in square inches is divided by 144 to convert to square feet. A 10% waste factor is standard for tile projects to account for cuts, breakage, and pattern matching.
| Input | Output |
|---|---|
| 12×10 ft room, 12×12" tiles | Area: 120 sq ft, Tiles: 120, With waste: 132 |
| 15×12 ft room, 24×24" tiles | Area: 180 sq ft, Tiles: 45, With waste: 50 |
| 8×8 ft bathroom, 6×6" tiles | Area: 64 sq ft, Tiles: 256, With waste: 282 |