If these are one inch tiles you need 2160. If the tiles are 12 inch tiles you need 180.
Each tile will cover 2 square feet. So you will need 12.5 tiles.
It takes 4 6x6 inch tiles to cover a square foot. You will need 180 tiles, plus some for spoilage and mistakes.
Each tile will cover 2 square feet. You have 64 square feet. You will need 32 tiles.
You will need approximately 23.4 tiles, so 24 tiles. Assuming 13x13 tiles is in inches.
If the 210 square ft area is a convenient shape, or if offcuts can be used to fill up odd parts then 53 tiles will suffice.
24 of them.
You will need at least 67 tiles. This will cover 150.75 square feet.
4
297 16x16-inch tiles.
125 16-inch tiles.
69
375
61 whole tiles represent 1421/3 square feet 144 square feet works out to 61.714 tiles (rounded)
You will need at least 66,828 1/4 tiles to cover that area.
178 Tiles If the square footage is the actual room size you add 10% for wastee
You will need 47 tiles.
400. That's because there are four six-by-six tiles in each square foot. 4 tiles per square foot X 100 square feet = 400 tiles.