You will need approximately 23.4 tiles, so 24 tiles. Assuming 13x13 tiles is in inches.
Each tile will be one square foot. So you have 135 square feet.
About 197 (196.875) 16" x 16" tiles will feet in that area.
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.
About 1.2 square feet x 63 tiles
the dimensions of one tile is 13x13 inches or 1.083x1.083 feet. Therefore area of one tile is 1.1736 square feet and that of 196 tiles is 196x1.1736=230.027
20
184 would do it but get 185.
16 square feet with less than one square foot of tile remaining
You will need approximately 23.4 tiles, so 24 tiles. Assuming 13x13 tiles is in inches.
Answer: 184 assuming no waste... There will be waste and broken tiles. Get an extra case. Math: 13in X 13in = 169 Square inches 169 Square inches / 144 Square inches per square foot = 1.17 square foot per tile 215 square feet / 1.17 square feet = 184 tiles
The best way to figure out how many 13x13 tile will be needed to cover 30 sf of floor is to calculate 13x13/144 give coverage per tile (1.1736), then take 30/1.736 = 25.56 tiles.
169 square feet. Multiply the two dimensions - the result is the number of square feet.
Area of each tile = 13x13 sq inches = 1.1736111... sq feet. So number of tiles required = 200/1.1736111... = 170.4 tiles. So, the mathematical answer is that you will require a minimum of 171 tiles. Im real life, however, you should have an extra 5% to allow for breakages, dealing with awkward corners or curves, etc.
If you are willing to use offcuts to fill in spaces, mosaic-style, then 50 tiles will suffice. But you could require up to twice as many if you want a neat finish.
13 x 13 (assumed inches) is 13/12 feet x 13/12 feet, so the area of one tile is 169/144 square feet. To cover 100 square feet you need (100)/(169/144) tiles which works out to (100 x 144)/169 = 14400/169 = 85.2, make it 86 tiles