ikea lack wall shelf sizes

IKEA Lack Wall Shelf Sizes: Perfect for Small Spaces

By William MartinezApril 15, 2026

When it comes to transforming your space, the IKEA LACK wall shelf is a versatile and stylish solution that's hard to resist. This minimalist, floating shelf system is perfect for maximizing your wall space, whether you're looking to create a gallery wall, display your book collection, or add some much-needed storage to your small apartment. But with so many sizes to choose from, selecting the right LACK wall shelf can be a challenge. Let's dive into the various sizes available and help you make an informed decision.

Before we explore the different sizes, it's essential to understand the LACK wall shelf system. It consists of two main components: the shelf bracket and the shelf itself. The brackets come in various sizes, while the shelves are available in three standard lengths. This modular design allows you to create custom configurations to suit your specific needs and wall dimensions.

LACK Wall Shelf Sizes: Brackets

The LACK wall shelf brackets are the foundation of your shelf system. They determine the overall width and depth of your shelves. IKEA offers three bracket sizes to accommodate different wall spaces and storage requirements.

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First, let's discuss the short brackets. These are perfect for narrow walls or when you want to create a streamlined, minimalist look. The short brackets have a depth of 8 inches (20 cm) and can accommodate shelves up to 31.5 inches (80 cm) in length.

Short Brackets: Dimensions and Compatibility

The short brackets have the following dimensions:

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Width: 3.5 inches (9 cm)
Depth: 8 inches (20 cm)
Height: 3.5 inches (9 cm)

They are compatible with the following shelf lengths:

27.5 inches (70 cm)
31.5 inches (80 cm)
35.4 inches (90 cm)

Medium and Long Brackets: Dimensions and Compatibility

For wider walls or when you need more depth for your items, consider the medium and long brackets. The medium brackets have a depth of 11.8 inches (30 cm), while the long brackets offer a depth of 15.7 inches (40 cm).

The medium brackets are compatible with shelves up to 59 inches (150 cm) in length, while the long brackets can accommodate shelves up to 78.7 inches (200 cm). This makes them ideal for creating wide, continuous shelving units or for displaying large items like artwork or TVs.

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LACK Wall Shelf Sizes: Shelves

Now that we've covered the brackets let's discuss the LACK wall shelves themselves. As mentioned earlier, the shelves come in three standard lengths, which can be combined with the various bracket sizes to create your perfect shelf configuration.

The short shelves measure 27.5 inches (70 cm) in length and are compatible with the short brackets. They are perfect for narrow walls or when you want to create a staggered, asymmetrical look.

Short Shelves: Dimensions and Compatibility

The short shelves have the following dimensions:

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Length: 27.5 inches (70 cm)
Width: 11.8 inches (30 cm)
Height: 1.2 inches (3 cm)

They are compatible with the short brackets.

Medium and Long Shelves: Dimensions and Compatibility

The medium and long shelves measure 31.5 inches (80 cm) and 35.4 inches (90 cm) in length, respectively. They are compatible with both the medium and long brackets, allowing you to create wide, continuous shelving units or to display large items.

The medium shelves have the following dimensions:

Length: 31.5 inches (80 cm)
Width: 11.8 inches (30 cm)
Height: 1.2 inches (3 cm)

The long shelves have the following dimensions:

Length: 35.4 inches (90 cm)
Width: 11.8 inches (30 cm)
Height: 1.2 inches (3 cm)

Both the medium and long shelves are compatible with the medium and long brackets.

When selecting the perfect LACK wall shelf sizes for your space, consider the dimensions of your wall, the items you want to display, and the overall aesthetic you're aiming for. With the modular design of the LACK wall shelf system, the possibilities are endless. So go ahead, get creative, and transform your walls into functional and stylish spaces.