To determine how many 18×18 tiles you need to cover 100 square feet, you can use the following formula: Number of tiles = (Area to be covered) / (Area of each tile). In this case: Number of tiles = 100 square feet / (18 inches x 18 inches).

First, you should convert the square footage to square inches since tiles are usually measured in inches. There are 144 square inches in a square foot (12 inches x 12 inches). So: Number of tiles = (100 square feet x 144 square inches/square foot) / (18 inches x 18 inches). Number of tiles = 14400 square inches / 324 square inches per tile. Number of tiles = 45 tiles. You would need 45 tiles to cover 100 square feet with 18×18 tiles.

To cover a 100 square foot tiling project, you will need to lay a total of 45 18×18 tiles. For tiles that are damaged during transport or installation or have become unusable for other reasons, always charge 15% more.

We have choice to use tiles and marble for surface flooring, mostly tiles are used for bathroom toilet and kitchen. Due to smoothness and wide range of variety of attractive tiles available in market we use tiles for flooring.

Large format tiles lend a more spacious look to space. It is advised to match tiles to room size. If the room is small, and you use large size tiles on the floor, then the room will look even smaller.

For such a room, it is recommended to go for medium format size tiles like (250×350) mm. Also, it’s a good idea to option for the size that entails a minimal amount of cutting and wastage. Example:- If you have a room that is (7×5) ft, then pick a tile that is a multiple of the size of the room.

Tiles these days are available in a wide range of sizes. Some popular sizes for floors include (300×600) mm, (600×600) mm, (610×610) mm and (800×800) mm. Wall tiles generally come in sizes of (250×350) mm, (300×450) mm, and (300×600) mm.

**How many 18×18 tiles do i need to cover 100 square feet**

For example, if you wanted to use 18 X 18 inch tile pieces, which equals 2.25 sq. ft, and the total square footage of your room is 300 sq ft, then you would divide 300 by 2.25, which would equal 134 pieces.

**How many square feet is a 18×18 tile? **A typical 18×18 tile is 2.25 square feet because 18×18 inches = 1.5’×1.5′ = 2.25 sq ft and the term “18×18” actually refers to the length and width of the tile in inches. Therefore, a typical 18×18 tile covers 2.25 square feet area of wall or floor.

For a 100 square foot tile project, you will need to install a total of 45 18×18 tiles. But some tiles could be damaged during transport or installation or maybe otherwise unusable. It’s customary to purchase an additional 15 percent above the exact calculated amount of tile. 45 (18×18 tiles) times 15% equals 52 tiles.

The extra tiles will help ensure that you have enough tiles on hand to finish the project even if some of the tiles you purchased cannot be installed for any reason.

**ALSO READ:-**

**How many 12×12 tiles do i need for 100 square feet**

**How many 16×16 tiles do i need for 100 square feet**

**How many tiles in a square meter**

**How many tiles in a box and price**

**How many 18×18 tiles do i need for 100 square feet**

If you choose 18×18 (18 by 18 inch) tiles, each tile would cover 2.25 square feet (324/ 144). If the area of your wall or floor is 100 square feet, you would need 45 tiles at minimum to cover the area (100 / 2.25 = 45).

To cover a 100 square foot tile project, you will need to install a total of 45 18×18 tiles. Extra tiles needed 15% of total such as 15℅ of 45 = 7, add this 45 +7 = 52. Thus, approximately 52 nos or 18 box of 3 pcs of 18×18 tiles you needed to cover 100 square feet area of room or patio.

To determine the number of 18×18 tiles needed to cover 100 square feet, you would divide the total square footage by the area of one tile. The area of one 18×18 tile is 18×18 =324 square inch or or 2.25 square feet. So, Number of tiles = 100/ 2.25 = 45 tiles.

**How many 18×18 tiles do i need for 200 square feet**

If you choose 18×18 (18 by 18 inch) tiles, each tile would cover 2.25 square feet (324/ 144). If the area of your wall or floor is 200 square feet, you would need 90 tiles at minimum to cover the area (200 /2.25 = 90).

To cover 200 square feet wall or floor area you would need 90 18×18 tiles. A typical 200 square feet floor area requires 90 18×18 tiles (because 200/2.25 = 90 tiles).

For a 200 square foot tile project, you will need to install a total of 89 18×18 tiles. Extra tiles needed 15% of total such as 15℅ of 89 = 15, add this 89 +15 = 104. Thus, approximately 104 nos or 35 box of 5 pcs of 18×18 tiles you needed to cover 200 square feet area of room or patio.

**How many 18×18 tiles do i need for a 12×12 room**

To cover the floor area of a 12×12 (144 square feet) room you would need 64 18×18 tiles. A typical 12×12 (144 square foot) room requires 64 18×18 tiles for the floor since 144/2.25 = 64 tiles.

**How many 18×18 tiles do i need for a 10×12 room**

To cover the floor area of a 10×12 (120 square feet) room you would need 54 18×18 tiles. A typical 10×12 (120 square foot) room requires 54 18×18 tiles for the floor since 120/2.25 = 54 tiles.

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**Conclusions**:-

To cover a 100 square foot tile project, you will need to install a total of 45 18×18 tiles. Always add @15% extra tiles damaged during transport or installation or maybe otherwise unusable.