You would need 96 stones.
31 Get 35 for breakage.
You would need 25 (5x5).
If the tiles are 12x12 inches square - you would need... 75 !
You need 600 sq ft. Each sheet is 32 square ft. You will need AT LEAST 19 sheets- depending on the sahpe you are covering, you may need more to allow for cutting and fitting.
549!
One!
297 16x16-inch tiles.
141
36 of them. Get 40 to be safe.
If all the same numbers have the same unit then ten
150 16x16" tiles; you'll have a small part of one tile left over.
31 Get 35 for breakage.
125 16-inch tiles.
108 plus 20% more.
178 Tiles If the square footage is the actual room size you add 10% for wastee
16*16=256 sq ft -that is one large tile!!! 335/256=1.03... so you will need two tiles??? You might want to rephrase this question because I've never heard of a 16X16 square feet tile.
You would need 137 (136.23) 16" x 16" tiles to cover 22.5 square meters.