Tile Calculator (floor tiles needed)
Enter room length and width and pick the tile size (1×1, 2×2, 600×600 mm…) to see how many tiles you need, with cutting wastage.
Quick answer
12 × 10 ft room, 2×2 tiles: 33 tiles.
How it is calculated
- Floor area = length × width = 12 × 10 = 120 sq ft.
- Tiles = area ÷ area of one tile = 120 ÷ 4 = 30.
- Add 10% for cutting and breakage and round up.
Worked example
A 12 × 10 ft room has a floor of 120 sq ft. With 2×2 ft tiles and 10% wastage you need 33 tiles.
| Room length | 12 ft |
| Room width | 10 ft |
| Tile size | 2×2 ft |
| Wastage | 10 % |
| Tiles needed | 33 |
| Floor area | 120 sq ft |
Formula
Tiles needed = ceil(Ln×Wd×(1+Wa/100)/Ts) Floor area = Ln×Wd
Good to know
- Check how many tiles come in a box to get the number of boxes.
- Keep up to 15% wastage for diagonal laying.
Questions people ask
How many tiles in a box?
Depends on the brand; 600×600 mm boxes often hold 4 tiles (about 15.5 sq ft).
How many sq ft is a 600×600 mm tile?
About 3.875 sq ft.
Does it work for wall tiles?
Yes, use the wall width for length and the height for width.
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Updated 13 Nov 2026 · Desktop N Calculator v1.2.0