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How many 18x18 tiles do you need? One 18 × 18 in tile covers 2.25 sq ft, so 100 sq ft takes 49 tiles with 10% waste. Enter the room for tiles and boxes.
With these inputs:
| Result | Value |
|---|---|
| Tiles to buy | 59 tiles |
| Area to cover | 120 sq ft |
| Area including waste | 132 sq ft |
| Tile size | 18 x 18 in |
| One tile covers | 2.25 sq ft |
| Boxes needed | 9 boxes |
| Waste applied | 10% |
Tile is sold by the box — round up and keep one spare box from the same dye lot.
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