what size cube for kallax

Kallax Cube Size Guide: Perfect Fit for Your Space

By Olivia WilsonJanuary 25, 2026

When it comes to organizing and displaying your belongings, the Kallax shelving unit from IKEA is a versatile and stylish solution. But with its modular design, choosing the right size can be a bit overwhelming. This guide will help you determine the perfect size cube for your Kallax unit, ensuring it fits your space and storage needs.

First, let's understand the Kallax system. It's available in various sizes, ranging from 2x2 to 5x5 cubes, with each cube measuring 23.5 cm (9.25 inches) in width and depth. The height varies depending on the number of cubes, typically ranging from 76 cm (30 inches) to 182 cm (71.5 inches).

Understanding Kallax Sizes

The size of your Kallax unit is determined by the number of cubes along its width and height. For instance, a 4x4 Kallax has four cubes along its width and four along its height.

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Before you decide, measure your space and consider the items you'll be storing. Here's a breakdown of each size to help you visualize:

2x2 Kallax

The smallest Kallax unit, a 2x2, is perfect for small spaces or as a side table. It has two cubes along its width and height, providing 8 storage spaces.

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Dimensions: 76 cm (30 inches) H x 40 cm (15.75 inches) W x 23.5 cm (9.25 inches) D

3x3 Kallax

A 3x3 Kallax offers more storage with nine spaces. It's ideal for medium-sized rooms or as a room divider.

Dimensions: 109 cm (42.75 inches) H x 60 cm (23.5 inches) W x 23.5 cm (9.25 inches) D

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4x4 Kallax

The 4x4 Kallax is a popular choice for larger spaces, offering 16 storage spaces. It's perfect for living rooms, home offices, or as a TV stand.

Dimensions: 142 cm (55.75 inches) H x 80 cm (31.5 inches) W x 23.5 cm (9.25 inches) D

Choosing the Right Cube Size

Now that you understand the different sizes, let's discuss how to choose the right cube size for your storage needs.

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First, consider the items you'll be storing. For example, if you're storing books, a 23.5 cm cube should be sufficient. However, for larger items like board games or vinyl records, you might need a deeper cube.

Standard Cubes

Standard Kallax cubes are 23.5 cm deep, which is suitable for most everyday items. They're also great for displaying decorative items or using with drawers and doors for a more closed-off look.

Dimensions: 23.5 cm (9.25 inches) W x 23.5 cm (9.25 inches) D

Deep Cubes

Deep Kallax cubes, measuring 38 cm (15 inches) in depth, are perfect for storing larger items or creating a more streamlined look with fewer, larger storage spaces.

Dimensions: 23.5 cm (9.25 inches) W x 38 cm (15 inches) D

Remember, you can mix and match standard and deep cubes within the same Kallax unit to create a custom storage solution that fits your needs. Also, consider using drawers, doors, and shelves to maximize your storage space and keep items organized.

Ultimately, the perfect size cube for your Kallax unit depends on your space and storage needs. By understanding the different sizes and cube depths, you can create a functional and stylish storage solution that enhances your space. So, go ahead, measure your space, visualize your storage needs, and build your perfect Kallax unit today!