Transform Comforter into Duvet Insert: Easy DIY Guide

Emma Jul 01, 2026

Ever found yourself in need of a duvet but only have a comforter at hand? You're not alone. Many people wonder if it's possible to turn a comforter into a duvet insert. The good news is, it's absolutely doable with a bit of creativity and some simple sewing skills. Let's dive into how you can transform your comforter into a duvet insert.

How to Put a Comforter in a Duvet Cover
How to Put a Comforter in a Duvet Cover

Before we start, it's important to understand the difference between a comforter and a duvet. A comforter is a thick, quilted blanket typically filled with down or synthetic fibers. On the other hand, a duvet is a type of bedding that consists of a flat, lightweight bag filled with down, feathers, or synthetic alternatives. The key difference is that a duvet is designed to be used with a duvet cover, which allows for easy washing and a more versatile look.

How to Put on a Duvet Cover the Easy Way
How to Put on a Duvet Cover the Easy Way

Preparing Your Comforter

Before you start the transformation process, you'll need to prepare your comforter. This involves measuring it to ensure it's large enough to be used as a duvet insert and checking its condition to make sure it's still in good shape.

Can You Put A Comforter, Quilt & Blanket In A Duvet Cover
Can You Put A Comforter, Quilt & Blanket In A Duvet Cover

Most standard comforters are large enough to be used as duvet inserts. However, if your comforter is on the smaller side, you might want to consider adding some extra fabric to make it larger. You can do this by sewing on strips of fabric around the edges of your comforter.

Measuring Your Comforter

a man and woman unpacking a mattress on the set of news
a man and woman unpacking a mattress on the set of news

To measure your comforter, lay it flat on a large, flat surface. Use a measuring tape to measure the length and width of the comforter. Standard duvet sizes are Twin (68" x 86"), Full/Queen (86" x 90"), and King (90" x 108"). If your comforter is smaller than these sizes, you'll need to add extra fabric to make it larger.

When measuring, make sure to account for the seam allowance. A standard seam allowance is about 1/2 inch, so you'll want to add this to your measurements to ensure your duvet insert is the right size.

Checking the Condition of Your Comforter

an easy way to cover a duvet the easy way in less than 2 minutes
an easy way to cover a duvet the easy way in less than 2 minutes

Before you start sewing, it's a good idea to check the condition of your comforter. Look for any holes, tears, or signs of wear. If your comforter is in good condition, you're ready to start the transformation process. If not, you might want to consider purchasing a new comforter or repairing the existing one before proceeding.

Once you've prepared your comforter, it's time to start sewing. If you're not comfortable sewing, you can always take your comforter to a local tailor or alterations shop. However, sewing a duvet insert at home can be a rewarding DIY project.

Sewing Your Duvet Insert

how to keep duvet cover and comforter stay in place
how to keep duvet cover and comforter stay in place

Sewing a duvet insert involves creating a flat, bag-like shape from your comforter. This will allow you to use it with a duvet cover. The process is relatively simple and only requires basic sewing skills.

Before you start sewing, make sure you have all the necessary supplies. You'll need a sewing machine, thread that matches the color of your comforter, scissors, a measuring tape, and a straight edge or ruler.

7 Easy Steps to Put a Duvet Insert into a Duvet Cover - 21 Lane
7 Easy Steps to Put a Duvet Insert into a Duvet Cover - 21 Lane
Easy Duvet Cover Hack
Easy Duvet Cover Hack
there's the trick to get the full, fluffy duvet you've always wanted
there's the trick to get the full, fluffy duvet you've always wanted
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Easiest Way to Insert a Duvet Cover Without Frustration
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How To Insert A Duvet Comforter Inside A Duvet
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The Best Fluffy Duvet Inserts: 7 Things to Look For (To Get a Fluffy, Hotel-Like Bed)!
How To Attach A Duvet Inside A Duvet Cover - Agnes Creates
How To Attach A Duvet Inside A Duvet Cover - Agnes Creates
a bed sitting next to a window with the words adding ties to ikea duvet cover
a bed sitting next to a window with the words adding ties to ikea duvet cover
a woman standing in front of a bed with her hands out and the words, add your duvet cover without breaking a sweat
a woman standing in front of a bed with her hands out and the words, add your duvet cover without breaking a sweat
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How to Keep A Duvet Cover in Place with Fabric Tape
There's a simple way to put on a duvet cover that takes less than 5 minutes
There's a simple way to put on a duvet cover that takes less than 5 minutes
the diy duvet cover from 2 flat sheets is easy to make and it's so cute
the diy duvet cover from 2 flat sheets is easy to make and it's so cute
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How To Put A Duvet Cover On In Only 5 Minutes, It's So Easy!
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TURNING A KING SIZE DOWN COMFORTER TO A TWIN SIZE DOWN COMFORTER TUTORIAL
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Duvet Hacks Everyone Needs — Breezing Through
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Turn a Coverlet Into a Duvet Cover
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How to easily put on a duvet cover
Duvet Cover Trick, Duvet Hack, Bedding Hacks, Duvet Covers, Duvet, Textiles, Home Decor, Home Décor
Duvet Cover Trick, Duvet Hack, Bedding Hacks, Duvet Covers, Duvet, Textiles, Home Decor, Home Décor

Sewing the Sides

Start by folding your comforter in half lengthwise, with the right sides facing each other. Use your straight edge or ruler to draw a line along the fold, about 1/2 inch from the edge. This line will serve as your sewing guide.

Using your sewing machine, sew along this line, leaving the top and bottom edges of the comforter open. Make sure to backstitch at the beginning and end of your seam to reinforce it. This will create a flat, bag-like shape from your comforter.

Sewing the Top and Bottom Edges

Next, you'll need to sew the top and bottom edges of your duvet insert. Fold the top and bottom edges of the comforter under by about 1/2 inch, then fold them under again by another 1/2 inch. This will create a neat, finished edge for your duvet insert.

Using your sewing machine, sew along the edge of the folded fabric, leaving the top and bottom edges of the duvet insert open. Again, make sure to backstitch at the beginning and end of your seam to reinforce it.

Once you've sewn the top and bottom edges, your duvet insert is complete! All that's left to do is turn it right side out and enjoy your new bedding.

Using Your Duvet Insert

Now that you've turned your comforter into a duvet insert, you'll need to use it with a duvet cover. Duvet covers come in a variety of sizes, so make sure to choose one that fits your duvet insert.

To use your duvet insert with a duvet cover, simply place the insert inside the cover and zip or button it closed. The duvet cover will protect your insert from dirt and stains, making it easier to clean.

Washing Your Duvet Insert

When it's time to wash your duvet insert, it's best to remove it from the duvet cover first. Most duvet inserts can be machine washed on a gentle cycle using cold water. However, it's always a good idea to check the care instructions on the label of your comforter before washing.

Once your duvet insert is clean, allow it to air dry or tumble dry on low heat. Avoid over-drying, as this can damage the fill material.

Storing Your Duvet Insert

When it's time to store your duvet insert, it's best to keep it in a cool, dry place. Avoid storing it in a damp or humid area, as this can cause mold and mildew to grow.

If you won't be using your duvet insert for an extended period of time, consider storing it in a vacuum-sealed bag. This will help to keep it clean and free from pests.

And there you have it! With a little bit of creativity and some simple sewing skills, you can turn your comforter into a duvet insert. Not only will this save you money, but it's also a great way to upcycle an item you already own. So next time you're in the market for a new duvet, consider giving this DIY project a try. Happy sewing!