Duvet Sizes

Duvet Sizes

Jun 24, 2023

Duvets are the perfect solution for people who sleep in cold bedrooms and want to cover themselves with something warm and snug. A duvet is a blanket that's filled with down feathers or synthetic fibers, so it's lightweight and fluffy. There are a few different sizes of duvets available, but the most common one is the standard size at 54" x 86".

What is a Duvet?

A duvet is a large, usually down or down alternative comforter that can be used to cover the top of your bed. It differs from comforters in that it doesn't have a separate cover. The duvet itself is the cover, so you don't have to buy an extra piece of fabric just to keep your bed clean. Many people use the term "duvet" interchangeably with "comforter," but they mean two different things.

Duvet Sizes Guide

Comforter sizes are in inches, but duvet covers and canopies come in other measurement systems.

Twin Duvet Size

The twin-size duvet is for a single bed, and it measures 66”x86”. The term “twin” refers to the size of the mattress, which is approximately 39”x75.5” (or 38.5"x75").

The term “extended twin bedding” refers to a single bed that is wider than standard twin beds—usually about 46 inches to make up for the added width of an extended mattress. Sometimes this style is referred to as an "XL" bed, but technically speaking that designation belongs only to a specific type of extended-size mattress (38"x78").

Twin XL Duvet Size

  • Twin XL Duvet Size is 90" x 108"
  • Twin XL Duvet Size is the same as the Twin Bed Size
  • Twin XL Duvet Size is the same as the Full Bed Size
  • Twin XL Duvet Size is the same as the California King Bed Size

Full(Double) Duvet Size

  • The full duvet is a larger size than the double, and it's the same size as a queen. This means that you will need to buy a duvet cover that's large enough for your full-size duvet, as well as pillowcases to match. For example, if your comforter is 100% cotton and measures 90" x 96", then you should get a duvet cover that goes from 90" to 108".
  • A king-sized bed has an 80" x 84" mattress with an 86" x 90" blanket over it. It's important to note that not all king mattresses are exactly 80" wide; some are wider at their bases or narrower at their tops so they fit on standard beds more snugly.

Queen Duvet Size

The Queen size is a standard mattress size in the United States. It is also the most common size of bed in the UK, Canada, Australia, and New Zealand. The Queen size mattress measures 60 inches wide by 80 inches deep for a total of 480 square inches (3 feet by 4 feet). This makes it slightly longer than a Full bed but not quite as wide.

King Duvet Size

A king-size duvet contains approximately 150 x 220 cm and is suitable for beds measuring at least 180x200cm. The king-size duvet can also be used on double beds. It is also known as the continental quilt or super king. This is the largest of all duvets and gives you plenty of room to move around in your sleep, so if you like lots of space and have a large bed, this may be your best choice!

California King Duvet Size

The California king duvet size is the largest of all. It is also known as a "West Coast King" or "Western King". This duvet is the same length as a regular king-size bed but wider by 9 inches (24 cm), measuring 78 inches (198 cm) in length and 72 to 84 inches (183 to 213 cm) in width.

How to Know if this is the Right Size For Me?

Now that you know the different sizes of duvets, how do you know which one is right for your bed? The best way to determine this is to measure your duvet cover and mattress. If possible, have a friend help with this process as it will be easier to measure while lying down on the bed.

Frequently Asked Questions

Should a duvet cover be the same size as the duvet?

The size of your duvet cover should be larger than the size of your duvet. Because it is filled with down feathers, a duvet may expand to its full size when you put it under a cover. The cover will help keep the feathers in place and prevent them from coming out through any breaks in the stitching or seams.

Can you put a king size duvet on a queen bed?

Most people think that if a duvet is king-size, it can be used on any bed and fit perfectly. This is not the case. If you have a queen bed and use a king-size duvet, your duvet will hang off your bed and not cover you properly. It will also be uncomfortable to sleep with such a big duvet because it's large enough that it can get away from you while sleeping and fall onto the floor.

What size duvet is best for a double bed?

If you have a double bed, you'll likely need to purchase a duvet that is larger than the mattress it will be covering. The size of your duvet should be at least 4 inches bigger than the mattress on top of which it will rest. Many people make the mistake of buying a duvet that is too small for their beds; this leaves them with inadequate coverage and can result in cold spots within their duvets.

Should you buy a bigger duvet than your bed?

Buying a duvet that's too small for your bed can be frustrating. If you've ever had a sheet of paper fall out of the duvet in the middle of the night, then you know what I'm talking about.

Fortunately, there are some things to keep in mind when buying your next duvet that will help make sure it doesn't happen again:

  • Duvets are made to fit snugly inside a cover, so they're pretty much never going to be bigger than theirs.


A bigger duvet is better than a smaller one. It will give you more warmth and comfort, so it’s worth spending the extra money on a larger size. If you have any questions about what size duvet is best for your bed or sleeping situation, talk to a sleep expert at the store where you buy your bedding.

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