9mm & 10mm Tile: Ultimate Comparison & Installation Guide

Emily Jul 26, 2026

When it comes to tiling, the choice between 9mm tile and 10mm tile can often be overlooked, but it can significantly impact the final outcome of your project. Let's delve into these two common tile thicknesses and explore how they can influence your space, from wall tiles to floor tiles.

a bathroom with a walk in shower sitting next to a tiled wall and ceiling mounted faucet
a bathroom with a walk in shower sitting next to a tiled wall and ceiling mounted faucet

The tile thickness might seem insignificant, but it can affect the appearance of grout lines, installation costs, and even the overall aesthetic of your space. In this article, we'll discuss the differences, advantages, and use cases of 9mm and 10mm tiles to help you make an informed decision.

The Tile Life Eterna Big Penny Shabby Green 2-in x 2-in Matte Glass Penny round Mosaic Floor and Wall Tile ( 1.01-sq ft / Piece ) | GPENN0202GN
The Tile Life Eterna Big Penny Shabby Green 2-in x 2-in Matte Glass Penny round Mosaic Floor and Wall Tile ( 1.01-sq ft / Piece ) | GPENN0202GN

9mm Tile: Slim and Subtle

The 9mm tile is the thinner of the two, offering a sleek, contemporary look. Its slimmer profile is particularly popular in modern, minimalist designs where a clean, uncluttered appearance is desired.

the most popular tile layout patterns
the most popular tile layout patterns

Thinner tiles often mean narrower grout lines, which can enhance the sleek appearance and make the space feel larger. They are also lighter, making them easier to handle and install.

Ideal for Wall Tiles

12 Tile Ideas For A Modern Bathroom
12 Tile Ideas For A Modern Bathroom

9mm tiles are perfect for walls, including shower surrounds, backsplashes, and feature walls. Their slim profile allows for a more uniform, flat look, especially where a seamless, unbroken surface is desired.

Due to their smaller size, they can also work well in smaller rooms or spaces with limited linear footage, allowing you to fit more tiles into a smaller area.

Budget-Friendly Option

Impress Verde Green 2x10 Handmade Matte Terracotta Tile
Impress Verde Green 2x10 Handmade Matte Terracotta Tile

Another significant advantage of 9mm tiles is their generally lower cost. They often require less material per square foot, reducing the overall tile cost. Additionally, labor costs can also be lower due to their easier installation.

However, it's essential to note that while thinner tiles can be less expensive, they might not stand up to heavy traffic or rough handling as well as their thicker counterparts.

10mm Tile: Durable and Versatile

Sky blue tiles, zellige 5x16 (Italy). Reviews. Samples to the USA in 48h
Sky blue tiles, zellige 5x16 (Italy). Reviews. Samples to the USA in 48h

The 10mm tile is a versatile option, offering a balance between style and durability. Its increased thickness provides a more robust, solid feel, making it an excellent choice for areas subject to heavy traffic or wear and tear.

Moreover, 10mm tiles can offer a greater textural depth, making them ideal for creating a tactile, rustic, or industrial feel. They also lend themselves well to larger format tiles due to their increased stability.

Wavy 2 Taupe 3x12 Subway Tile
Wavy 2 Taupe 3x12 Subway Tile
Green Porcelain Tiles | Mandarin Stone
Green Porcelain Tiles | Mandarin Stone
a bathroom with a glass shower door and tiled walls, along with a gold faucet
a bathroom with a glass shower door and tiled walls, along with a gold faucet
Marrakesh Stripes in Paprika
Marrakesh Stripes in Paprika
Bathrooms Gallery | Inspiring Tile Designs for You
Bathrooms Gallery | Inspiring Tile Designs for You
a black and white photo of a brick wall
a black and white photo of a brick wall
Calacatta Amber Honed Marble Fluted Decor Tiles | Mandarin Stone Freestanding Stone Bath Inspiration, Mandarin Stone Bathroom Tiles, Mandarin Stone Kitchen, Mandarin Stone Wall Tiles, Lockson Mix Marble Bathroom, Mandarin Stone Calacatta Amber, Hoxton Tiles Mandarin Stone, Mandarin Stone Pink Tiles, Neutral Marble Bathroom Tiles
Calacatta Amber Honed Marble Fluted Decor Tiles | Mandarin Stone Freestanding Stone Bath Inspiration, Mandarin Stone Bathroom Tiles, Mandarin Stone Kitchen, Mandarin Stone Wall Tiles, Lockson Mix Marble Bathroom, Mandarin Stone Calacatta Amber, Hoxton Tiles Mandarin Stone, Mandarin Stone Pink Tiles, Neutral Marble Bathroom Tiles
a bathroom with a sink, mirror and shower stall in it's center area
a bathroom with a sink, mirror and shower stall in it's center area

Perfect for Floor Tiles

10mm tiles are an excellent choice for floors due to their durability and stability. They can withstand heavier loads and are less likely to crack or break under pressure. They are ideal for high-traffic areas such as hallways, kitchens, and bathrooms.

In fact, many ceramic and porcelain floor tiles come in 10mm or thicker due to their superior strength.

Versatile Designs

10mm tiles aren't just for floors; they can also be used on walls to create a striking, textured look. The wider grout lines can emphasize the tile pattern, creating a geometric or artistic effect.

Large format 10mm tiles can also contribute to a more luxurious, high-end look, making them a popular choice for upscale projects.

Ultimately, the choice between 9mm and 10mm tiles depends on your specific needs and the desired aesthetic. Both options have their unique advantages, so consider your project's requirements carefully before making a decision. Your tile choice can significantly impact the final result, so it's a decision worth pondering. Happy tiling!