Once you know the sq feet you need, add a little for waste & breakage you will have enough.
The fact that a good tile setter starts in the middle of the room & works out also means you may have a fair bit of cutting one all the walls but a centered look is much better and likely allows you to use the pieces up.
15 tiles exactly.
12 inches = 1 foot Thus the tiles would be 1 foot square. You therefore need 30 to cover a 30 square foot room.
A 12x12 tile covers 1 square foot (since 12 inches = 1 foot). To cover a 144 square foot area, you would need 144 tiles, as each tile covers 1 square foot. Therefore, you need a total of 144 tiles to completely cover the area.
144
18..
15 tiles exactly.
12 inches = 1 foot Thus the tiles would be 1 foot square. You therefore need 30 to cover a 30 square foot room.
A 12x12 tile covers 1 square foot (since 12 inches = 1 foot). To cover a 144 square foot area, you would need 144 tiles, as each tile covers 1 square foot. Therefore, you need a total of 144 tiles to completely cover the area.
144
18..
64 nos tiles is required calculation is
If the tiles are 1 x 1 FOOT, then they cover 118 square feet.If the tiles are 1 x 1 INCH, then they cover (118/144) = 0.8194 square foot (rounded)If the tiles are 1 x 1 METER, then they cover (118 x 3.280842) = 1,270.1 square feet (rounded)
1080 will be your answer
It depends on the size of the tiles and also, to some extent, on the shape of the area that you need to cover.
Assuming that 12 x 12 is 12" x 12" (one square foot), then 30 one-square-foot tiles would cover 30 square feet.
1 tile = 1.77 of a square foot, 240 Sq.Ft. divided by 1.77 = 135.5 tiles ok
234