ikea billy shelf hole size

IKEA Billy Shelf Hole Size: Dimensions & Placement Tips

By Richard LeeApril 8, 2026

Are you a fan of the clean, modern aesthetic that IKEA is famous for? If you're looking to add some sleek storage solutions to your space, you might be considering the Billy bookcase. But before you make your purchase, you might be wondering, "What are the hole sizes on the IKEA Billy shelf?" We've got you covered with a comprehensive guide to help you understand the Billy shelf hole sizes and how to use them to your advantage.

First things first, let's talk about the Billy bookcase itself. It's a versatile piece of furniture that can be used as a bookshelf, a room divider, or even a media console. It's available in various heights and widths, and it's easy to assemble. Now, let's dive into the details about the Billy shelf hole sizes.

Understanding the Billy Shelf Hole Sizes

The Billy bookcase comes with pre-drilled holes that allow you to adjust the shelf height to your liking. These holes are strategically placed to provide you with plenty of customization options. But what are the actual sizes of these holes, and how can you use them to your advantage?

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Let's break down the Billy shelf hole sizes and patterns for each bookcase size:

Billy 28" (70cm) Wide

The 28" Billy bookcase has holes at the following positions:

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Every 3.5" (9cm) from the top
Every 3.5" (9cm) from the bottom
Every 5.5" (14cm) in between

This pattern repeats throughout the bookcase, giving you plenty of options for shelf placement.

Billy 31.5" (80cm) Wide

The 31.5" Billy bookcase has holes at the following positions:

Every 3.5" (9cm) from the top
Every 3.5" (9cm) from the bottom
Every 5.9" (15cm) in between

Similar to the 28" version, this pattern provides you with numerous shelf placement options.

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Maximizing Your Storage Space with Billy Shelf Holes

Now that you know the Billy shelf hole sizes, you can use this information to maximize your storage space. Here are some tips to help you make the most of your Billy bookcase:

Planning Your Shelves

Before you start assembling your Billy bookcase, take some time to plan out where you want your shelves to go. Consider the height of the items you want to store and the overall aesthetic you're going for. Using the Billy shelf hole sizes, you can create a custom layout that works best for your needs.

Using Adjustable Feet

Did you know that the Billy bookcase comes with adjustable feet? These feet can be used to level your bookcase if your floor is uneven. They can also be used to create additional storage space by raising the bookcase off the ground. By using the Billy shelf hole sizes and the adjustable feet, you can create a hidden storage compartment underneath your bookcase.

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Incorporating the Billy bookcase into your home decor can be a breeze with a little planning and understanding of the Billy shelf hole sizes. Whether you're using it as a bookshelf, a room divider, or a media console, the Billy bookcase offers plenty of customization options to suit your needs. So go ahead, measure twice, cut once, and enjoy your new storage solution!