Tiles for 100 square feet, by tile size
Counts include 10% waste. Grout includes 20% for waste and uneven backs. Thinset is in 50 lb bags at the notch size usual for that tile.
| Tile | Joint | Tiles needed | Grout | Thinset bags |
|---|---|---|---|---|
| 3 × 6 in subway | 1/16 in | 854 | 7.8 lb | 2 |
| 4 × 4 in | 1/8 in | 931 | 15.6 lb | 2 |
| 6 × 6 in | 1/8 in | 423 | 15.6 lb | 2 |
| 12 × 12 in | 1/8 in | 108 | 7.8 lb | 2 |
| 12 × 24 in | 1/8 in | 55 | 5.9 lb | 2 |
| 24 × 24 in | 3/16 in | 28 | 7.8 lb | 3 |
Planning the job
Buy all your tile at once from one lot, and add 15% for a diagonal layout or large-format tile. Check the floor is flat before laying big tiles. See the tile, grout and thinset guide for the full method.
Want to change anything else? The calculator above is the full Tile Calculator: edit any number and the results update instantly.
Tools & materials for this project
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Frequently asked questions
How many 12x12 tiles for 100 square feet?
108 tiles with 1/8 in joints and 10% waste, which is 11 boxes of 10.
How many tiles for 100 square feet?
It depends on tile size: 108 of 12 × 12 in, 28 of 24 × 24 in, 423 of 6 × 6 in, or 854 of 3 × 6 in subway tile, with 10% waste.
How much grout for 100 square feet?
About 7.8 lb for 12 × 12 in tiles (1/8 in joints), but 31 lb or more for 2 × 2 in mosaics. Smaller tiles mean far more grout.
Related sizes and guides
Estimates only. Results assume standard materials and simple shapes. Supplier products vary, and the final call on quantity, structure and safety is yours. Check your local code and your supplier's guidance before ordering.