To enjoy a good night’s sleep, it’s essential to have all the elements that make up a comfortable bedding set: the bed, consisting of a box spring and a high-quality mattress; a pillow suited to your sleeping position; and bedding that matches your personal preferences. While some people still prefer to sleep in traditional bedding—consisting of a sheet, or several sheets, and a blanket—the vast majority opt for a comforter, which is more modern and easier to set up and maintain.
We’d like to guide you through the process and outline the key factors to consider when choosing a duvet of the ideal size, based on your mattress dimensions, your sleeping habits, and the height and build of the person or people who will be sleeping in the bed. Our advice will help you make an informed decision and find the right duvet size to turn your bed into a source of relaxation and rest, whether you choose a duvet made of synthetic materials or natural materials, such as cotton or down.
What are the most common duvet sizes?
In France, five duvet sizes are considered standard and are therefore available in stores and on online retail sites, along with the essential duvet cover that usually comes with the duvets.
The most common dimensions are as follows:
- the 140 x 200 cm comforter;
- the 200 x 200 cm comforter;
- a comforter measuring 220 x 240 cm;
- the comforter measuring 240 x 260 cm;
- the king-size comforter, 240 x 280 cm.
In addition to these standard sizes, there are duvets designed for very specific mattress sizes, but it will then be more difficult to find a duvet cover or bedding set that matches the duvet’s exact dimensions.
What size should I choose for a single bed?
As a general rule, the mattress for a single bed—intended for one person, a child, or a teenager—is 90 cm wide and 190 cm or 200 cm long.
For this type of bed, it is recommended to choose a standard-sized comforter, specifically 140 x 200 cm. This size ensures the sleeper is well covered and provides all the comfort needed for restful nights, even with restless sleep and frequent nighttime movements. The width of duvets of this size ensures that they drape over the sides of the bed, helping to retain heat throughout the night.
It is also possible to choose a duvet that is slightly wider but the same length—160 x 200 cm—for someone who prefers the duvet to hang down further on the sides of the bed.
It’s also worth noting that some single beds and mattresses are wider (120 cm); in that case, you should choose a comforter measuring 160 x 200 cm or 200 x 200 cm.
A comforter for a standard double bed
The double bed, with its 140 x 190 cm mattress, is the most common type of bed; sometimes the length is extended to 200 cm to accommodate taller people.
Unsurprisingly, 220 x 240 cm comforters are the most commonly recommended. This size allows the comforter to hang slightly over the edges of the bed and provides ample coverage for both people in the bed.
However, if you prefer a comforter that matches the mattress’s exact dimensions, you can opt for 200 x 200 cm comforters; the main risk is that one person may feel uncomfortable or cold if the other person pulls the comforter toward themselves while sleeping.
Conversely, if you feel it’s essential to sleep with a comforter that hangs well over the sides of the bed, it’s best to choose a comforter that’s 240 cm wide. As a reminder, the length of a comforter or mattress provides comfort for taller people, while body size guides choices regarding the width of bedding and linens.
What size comforter should I use for a queen-size mattress?
Behind this Anglicism lies a type of bed and mattress that is poised to replace the classic double bed, driven by the hospitality industry, which uses larger bed sizes to accommodate the varying heights and body types of its potential guests.
A queen-size bed is between 160 cm and 180 cm wide and 200 cm long, similar to a standard bed. Because of their width, queen-size beds require a specific duvet size to ensure sleepers’ comfort.
Duvets measuring 220 x 240 cm or even 240 x 260 cm are ideal for beds of this size. The 220 x 240 cm duvets are among the most common sizes, which gives you more options when looking for a bedding set or a duvet cover.
Duvets for extra-large beds
Ever larger and wider, king-size beds are the most imposing option when it comes to bedding, with widths ranging from 180 to 200 cm. For these very special bed models, it’s essential to think big and wide when choosing a comforter.
You should therefore opt for the largest size available on the market (240 x 280 cm) or contact a duvet manufacturer that offers custom-made products, keeping in mind that you’ll then need to find a duvet cover that fits these unusual dimensions.
In fact, it’s best to choose a duvet cover that’s the same size as the duvet, just as you would with a pillowcase. There’s no point in buying a duvet cover that’s larger than your duvet—this applies to all types and sizes of duvets. Furthermore, you shouldn’t choose a duvet cover that’s smaller than the duvet, hoping the duvet will shrink after the first wash.
A duvet cover that’s even slightly too small will be harder to put on and will create wrinkles, making it difficult to make your bed nice and flat, neat, and comfortable—which should remain a priority when choosing a mattress, box spring, pillow, and, of course, a duvet and its cover.
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