How Big Should Pillow Insert Be?

When choosing a pillow insert, a general rule of thumb is to select one that is 2 inches larger than the pillow cover on each side. This means that for a 18×18 inch pillow cover, a 20×20 inch insert would be ideal. This ensures the pillow looks plump and well-stuffed, rather than under-filled.

Understanding Pillow Sizes and Sizing Up

While the recommendation to go 2 inches larger is a good starting point, various factors can influence the size of the pillow insert you should choose. These include the type of material the pillow is made of, its intended use, and personal preference for firmness.

Types of Pillow Materials

Pillows come in many different materials, each affecting how much larger the insert should be compared to the cover. For instance, down or feather inserts are softer and will require a larger size to look full, whereas a synthetic or foam insert might not need to be as large since these materials hold their shape better.

Intended Use of the Pillow

Consider the end use of the pillow when selecting your insert size. Decorative pillows that are primarily for show can be a bit overstuffed for a plush look. On the other hand, a pillow for sleeping should not be overstuffed, as it needs to be comfortable and supportive.

Personal Preference for Firmness

Your preference for pillow firmness will also guide you in selecting the size of your insert. If you prefer a firmer pillow, you might want to choose an insert that is slightly larger than the recommended 2 inches larger. Conversely, if you’re aiming for a softer feel, sticking close to the size of the pillow cover or just an inch larger may be sufficient.

Standard Pillow Insert Sizes

Pillow inserts commonly come in standard sizes that correspond to standard pillow cover sizes. Here is a quick guide to help you match your pillow covers to the right insert size:

  • Standard Square: For a standard 18×18 inch cover, use a 20×20 inch insert.
  • Lumbar Pillow: For a 12×18 inch cover, a 14×18 inch insert often works well.
  • Large Square: For a 24×24 inch cover, consider a 26×26 inch insert to maintain that full appearance.
  • King Pillow: For a 20×36 inch cover, a 22×38 inch insert can provide a royal, overstuffed look.

Factors Influencing Pillow Insert Size

Fabric Type

The type of fabric used for your pillow cover can impact how full the insert will make it look. Thicker fabrics like velvet or heavy linen won’t stretch as much as lighter fabrics such as cotton or silk, meaning you might not need as large an insert.

Insert Material Quality

High-quality inserts, particularly those with a high down content, will have more lift and may require a bigger size. Cheaper inserts might not have as much give and can get away with being closer in size to the pillow cover.

Seam Allowance

Pillow covers often come with a standard seam allowance that can reduce the finished size of the cover, which may affect the size of the insert you need. A cover that starts off as 18 inches square might end up being closer to 17 inches once sewn.

DIY Pillow Inserts

If you are making your own pillow inserts or are custom-filling a purchased insert, you can fine-tune the amount of filling to achieve the exact firmness and look you desire. It’s an opportunity to personalize your pillow to your exact specifications.

Choosing the Right Filling

Common fillings include down, polyester fiberfill, and foam. Each has a different feel and loft (the ability to return to its original shape after compression), so consider what characteristics are most important for your comfort and the pillow’s appearance.

Filling to the Right Level

Carefully fill your insert so that it reaches the corners of the cover without overstretching it. You want a smooth, taut surface without lumps or an overstuffed appearance that strains the seams.

Misconceptions About Pillow Inserts

Inserts Must Always Be Larger Than the Cover

While a larger insert can indeed make for a fuller pillow, remember that too large of an insert can warp the shape of the pillow or stress the seams. It’s all about balance and the specific look you’re aiming for.

All Inserts Expand to the Same Degree

Remember that different materials expand differently. Down and feathers will fill out a cover quite well, while less expensive synthetic fills might not offer the same plushness and thus might require a larger insert.

The More Filling, The Better

An overstuffed pillow might look full, but it can also be too firm and uncomfortable to use. The goal is a filled-out appearance that also retains the pillow’s purpose – be it as a supportive backrest, a comfy headrest, or an attractive decorative element.

Top 5 Pillows Recommended By GoodSleepHub.com

Finishing Thoughts

Choosing the correct pillow insert size is a critical aspect of interior design and comfort management. It’s about aesthetics as much as it is about functionality. Take into account the material of both the cover and the insert, the intended use of the pillow, personal comfort preferences, and the effect different fill materials can have on the finished look of the pillow. With the right approach, you can select an insert that will make your pillow covers look and feel exactly as you want them to. Remember that comfort and style can coexist harmoniously with the right pillow insert, contributing to a more inviting and personalized space.

Author

  • Ollie Lane

    My name is Ollie Lane, the zestful spirit and sleep enthusiast editor at GoodSleepHub. Blending my expertise in Sleep Technology with a dash of whimsy, I'm all about transforming your nights from blah to ta-da! I believe great sleep is a blend of science, art, and a bit of fairy dust. When I'm not knee-deep in the latest sleep gadgetry or jotting down notes for my next blog post, you can find me strumming on my ukulele or chasing after my mischievous beagle, Benny. My approach to sleep is like my music: playful, innovative, and always in tune with your needs.

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