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Duvet Sizes and Dimensions Guide

June 28, 2023 7 min read

When it comes to creating a cozy and comfortable bedroom, the right bedding can make all the difference. One essential element of a comfortable bed is a duvet. However, with various bed sizes and duvet options available, it can be challenging to determine which size will best suit your needs. 

In this comprehensive guide, we will explore duvet sizes and dimensions, providing you with valuable information to help you make an informed decision. Whether you're shopping for a twin, full, queen, king, or California king size duvet, we've got you covered. Let's dive in!

What is a Duvet?

Before diving into the details, let's clarify what a duvet is. A duvet, also known as a comforter, is a type of bedding that consists of a soft, flat bag filled with down, feathers, or synthetic fibers. It serves as a cover for your bed, providing warmth, insulation and comfort during sleep.

Unlike a traditional quilt or bedspread, a duvet is typically plain and is designed to be inserted into a removable duvet cover, which acts as a protective and decorative outer layer. The removable nature of the duvet cover allows for easy cleaning and style changes for an aesthetically pleasing bedroom. 

Duvets are known for their softness, fluffiness, and ability to regulate body temperature, making them a popular choice for bedrooms worldwide. They come in different sizes to accommodate various bed dimensions, ensuring a comfortable and snug fit for every sleeper. 

king comforters sets

Duvet Sizes Chart

To simplify the selection process, refer to the duvet sizes chart below. Please note that these dimensions are approximate and may vary slightly depending on the manufacturer or brand.

Duvet Size

Dimensions (inches)

Dimensions (cm)


68" x 86"

173 x 218

Twin XL

68” x 92”

173 x 234


86” x 86"

218 x 218


88" x 92"

224 x 234


106" x 92"

269x 234

California King

106" x 100”

269 x 254

By referring to this chart, you can easily determine the appropriate duvet size based on your bed's dimensions.

queen duvet covering little girl

Duvet Sizes and Dimensions

Now, let's delve into each duvet size in detail to understand their specific dimensions and ideal bed fit.

Twin Size Duvet:

A twin-size duvet is ideal for single beds and is commonly used in children's bedrooms, guest rooms, or college dormitories. The dimensions of a twin-size duvet typically measure around 68 inches wide by 86 inches long.  It provides sufficient coverage for a standard twin mattress, which measures approximately 39 inches by 75 inches (99 cm x 191 cm).

Twin XL Size Duvet:

Slightly longer than a standard twin duvet, the twin XL size is commonly found in dorm rooms and college residences.  It’s also a popular choice for taller individuals.  It measures around 68" x 92" to accommodate the extended length of a twin XL mattress, which is typically 39 inches by 80 inches (99 cm x 203 cm).

Full Size Duvet:

A full-size duvet, also known as a double duvet, is designed to fit a full or double mattress. The dimensions of a full-size duvet generally range from 76 inches to 86 inches wide (193 cm to 218 cm) and 86 inches to 88 inches long (218 cm to 224 cm). The actual dimensions may vary depending on the manufacturer and the desired amount of overhang.

Queen Size Duvet:

A queen-size duvet is a popular choice for most standard queen beds, especially amongst couples or individuals who prefer extra bedding space. The dimensions of a queen-size duvet typically range from 86 inches to 90 inches wide (218 cm to 229 cm) and 86 inches to 92 inches long (218 cm to 234 cm). It offers ample coverage for a queen mattress, which measures about 60 inches by 80 inches (152 cm x 203 cm).

King Size Duvet:

For those who love spacious sleep arrangements, the king-size duvet is ideal. A king-size duvet is designed for larger mattresses, such as king or Eastern king beds. The dimensions of a king-size duvet usually fall within the range of 104 inches to 108 inches wide (264 cm to 274 cm) and 86 inches to 92 inches long (218 cm to 234 cm). King mattresses typically measure around 76 inches by 80 inches (193 cm x 203 cm), and the king-size duvet ensures a generous overhang for these larger beds. 

California King Size Duvet:

The California king size duvet is specifically tailored for California king or Western king mattresses, which are longer and narrower than standard king mattresses. It typically measures around 102 inches to 108 inches wide (259 cm to 274 cm) and 92 inches to 96 inches long (234 cm to 244 cm). California king mattresses measure approximately 72 inches by 84 inches (183 cm x 213 cm).

The most popular king size bed cover size (duvet cover size) is a combined size that generally fits both the king size duvet and the California king size duvet.

What Size Duvet Do I Need?

To determine the right size duvet for your bed, consider the dimensions of your mattress and the desired overhang. Ideally, the duvet should hang over the edges of your bed without being too short or excessively oversized. Here are some guidelines to help you choose the right duvet size:

  1. Measure your mattress: Start by measuring the width and length of your mattress. Use these dimensions as a reference when selecting a duvet size.
  2. Consider the overhang: Determine the amount of overhang you prefer. Some people prefer a minimal overhang, while others enjoy a more luxurious and fuller appearance. Keep in mind that the larger the overhang, the larger the duvet size you should choose.
  3. Check the duvet size chart: Consult the duvet size chart above or refer to the manufacturer's recommendations to find the appropriate duvet size based on your mattress dimensions and desired overhang.
  4. Account for personal preferences: Consider your personal preferences and sleeping habits. If you tend to move a lot during sleep, you might prefer a larger duvet size for better coverage and comfort.
  5. Verify the duvet cover dimensions: If you already have a duvet cover, ensure that it matches the duvet dimensions you plan to purchase. Duvet cover dimensions may vary slightly across manufacturers and brands, so it's important to check their compatibility.

Remember, it's always better to choose a duvet size slightly larger than your mattress to ensure full coverage and avoid any discomfort caused by a too-small duvet.

Frequently Asked Questions:

  • How do you know what size duvet to get?

Choosing the right size duvet is essential to ensure a comfortable fit for your bed. To determine the appropriate duvet size, follow these steps:

  1. Measure your mattress: Start by measuring the length and width of your mattress using a tape measure. Make sure to measure from edge to edge to get accurate dimensions.
  2. Consider the desired coverage: Decide how much coverage you prefer. Some people like their duvet to hang over the sides of the bed for a more luxurious look, while others prefer a snug fit.  It’s important to factor in your style preferences for the perfect fit.
  3. Account for the mattress thickness: If you have a thick mattress or use a mattress topper, you may need to consider this additional depth when choosing your duvet size. It's best to account for the total height from the top of the mattress to the desired length of the duvet.
  4. Refer to a duvet sizes chart: Consult a duvet sizes chart or guide provided by the manufacturer or retailer. These charts typically provide recommendations for each bed size, including twin, full, queen, king, and California king.

By measuring your mattress, considering desired coverage, accounting for mattress thickness, and referencing a duvet sizes chart, you can determine the most suitable duvet size for your bed.

  • Are full and queen duvets the same size?

No, full and queen duvets are not the same size. Full and queen beds have different dimensions, which means the duvets made for each bed size will vary. Here are the standard dimensions for full and queen duvets:

  • Full-size duvet: Approximately 86 inches wide by 86 inches long.
  • Queen-size duvet: Approximately 88 inches wide by 92 inches long.

As you can see, the queen-size duvet is wider and longer than the full-size duvet.  It’s important to choose the correct duvet size to ensure adequate coverage and comfort.

  • What size duvet is best for a double bed?

A full-size duvet is usually recommended for a double bed, as it provides adequate coverage and allows for comfortable sleep.

A double bed, also known as a full-size bed, typically measures around 54 inches (137 cm) wide by 75 inches (191 cm) long. For a double bed, the recommended duvet size is usually:

  • Double (Full) size duvet: Approximately 86 inches wide by 86 inches long.

Choosing a duvet that matches the size of your double bed will provide the right amount of coverage and ensure a comfortable fit.

  • Are queen and full duvet covers the same size?

No, queen and full duvet cover sizes differ, they are not the same size. Similar to duvets, queen and full beds have different dimensions, so their respective duvet cover dimensions will also differ.   However, most brands offer a combined-size duvet cover for both queen and full duvets, namely the Queen/Full duvet cover.   It works out pretty well for most people.

Here are the standard dimensions for full (when you are lucky enough to find one made just for full duvet) and queen duvet covers:

  • Full-size duvet cover: Approximately 86 inches wide by 86 inches long.
  • Queen-size duvet cover: Approximately 90 inches wide by 92 inches long.

As with duvets, it's important to select the right duvet cover size to ensure a proper fit and a neatly covered bed.


Choosing the right duvet size is crucial for a good night’s sleep and finding the perfect duvet size and dimensions doesn't have to be a daunting task. By understanding the standard sizes, measuring your mattress accurately, accounting for mattress thickness, consulting a duvet sizes chart and considering your personal preferences, you can find a duvet that fits your sleep sanctuary like a dream. Whether you have a twin, queen, king, or California king-sized bed, there are options available to suit your needs. Take the time to explore different retailers and styles to find the perfect duvet that will provide you with optimal warmth, comfort, and coziness, while providing the perfect fit for your bed and creating a cozy haven in your bedroom.

With the ultimate duvet sizes and dimensions guide in your hands, you can say goodbye to ill-fitting duvets and hello to a restful night's sleep!

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