Anyone buying a mattress for the first time will likely be overwhelmed by the variety of mattress sizes on the market. Each mattress size has its own characteristics and is suitable for different users. Let Ru9 help you find out which size is for you!
Common standard mattress sizes you need to know are:
|
Mattress Type |
Standard Mattress Size (width x length) |
|
Single Mattress |
120 x 200cm |
|
Small Double Mattress |
140 x 200cm |
|
Double Mattress |
160 x 200cm |
|
Large Double Mattress |
180 x 200cm |
|
Super King Square Mattress |
200 x 200cm |
|
Super King Mattress |
200 x 220cm |
In addition to the standard mattress sizes listed above, there are also many variations on the market to suit customer needs. In this article, Ru9 will divide mattress sizes into two groups: single mattress sizes and double mattress sizes. Let's learn about these mattress sizes!

Standard mattress sizes on the market.
1. Mattress sizes for single beds
Single bed mattress sizes are considered the most compact mattress sizes as they are specifically designed for single sleepers. Common single mattress sizes include:
|
Single Bed Mattress Size |
Target User |
|
90cm x 190cm |
Bunk bed |
|
90cm x 200cm |
Bunk bed |
|
100cm x 190cm |
Children |
|
120cm x 190cm |
Children |
|
100cm x 200cm |
Adults |
|
120cm x 200cm |
Adults |
90cm mattress size
Mattress sizes 90cm x 190cm or 90cm x 200cm are typically used for bunk beds in hospitals, dormitories, or military zones.
1m, 1m2 mattress sizes
Mattress sizes 1m2x1m9, 1mx1m9 are commonly used for children.
The standard mattress size 1m2x2m and 1mx2m are single mattresses suitable for single people, those who want to sleep alone and save space, or those who frequently change sleeping places such as students or travelers. In addition, parents can also buy a 1200 x 2000mm single mattress to help their child sleep independently.

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The two most suitable blanket sizes for single beds are 1m6x2m for children and 1m8x2m for adults. The most popular single bed sheet size is 1m2x1m9. If you need bed sheets with more precise dimensions, please contact the manufacturer directly to place a custom order.
2. Mattress sizes for double beds
Double beds typically use the following mattress sizes:
|
Double Bed Mattress Size |
Target User |
|
140cm x 190cm |
1 - 2 people |
|
140cm x 200cm |
1 - 2 people |
|
150cm x 190cm |
1 - 2 people |
|
160cm x 195cm |
2 people |
|
160cm x 200cm |
2 people |
|
180cm x 200cm |
2 - 3 people |
|
200cm x 200cm |
2 - 3 people |
|
200cm x 220cm |
2 - 4 people |
1m4 mattress size
1m4 mattress or 1m5 is a small double mattress size for small double beds. This size is suitable for: People who prefer to sleep alone but enjoy a spacious and comfortable area; children sleeping separately from parents; individuals with a larger build; 2 people with small physiques sleeping together, for example, 2 children or 1 adult and 1 child.

1m4 x 2m mattress size
1m6 mattress size
The 1m6x2m mattress or 1m6x1m95 is a double mattress size primarily favored by couples. The 1m6 Queen size mattress corresponds to a double bed frame, perfectly accommodating 2 sleepers and suitable for medium-sized bedrooms.

1m6x2m mattress size
1m8 mattress size
The 1m8 x 2m mattress is a very popular large double mattress size in Vietnam, suitable for families with spacious bedrooms. This size can accommodate 2 or 3 people, for example, couples who prefer a spacious, private sleeping area or small families with parents sleeping with 1 child.

1m8x2m double mattress size
2mx2m mattress size
The 2mx2m super king square mattress is suitable for super king-size bed frames and should be placed in a spacious, modern sleeping area. This size can accommodate up to 3 people, specifically: couples who prefer a spacious feel and don't want to disturb the person next to them; people with a unique sleeping space who prefer a square mattress shape; families with parents and 1-2 children.

2mx2m super king double mattress size
2m2x2m mattress size
The 2mx2m2 mattress, or super king size mattress, is an extra-large mattress size, compatible with extra-large bed frames, and only suitable for large spaces. The 2000 x 2200mm mattress is suitable for families with 3-4 sleepers, for example, families with 2 young children.

2mx2m2 super king double mattress size
Ru9 recommends using a 2mx2m2 blanket for double beds, with material that can be customized seasonally to suit. Double bed sheets are available in various sizes such as 1m4x2m, 1m6x2m, 1m8x2m, 2mx2m, or 2mx2m2 for you to choose from due to high market demand.
In addition to mattress, blanket, and sheet sizes, you also need to choose the appropriate pillow size to ensure aesthetics and provide comfort during use. Specifically:
- Common throw pillow sizes are 45cm x 65cm or 50cm x 70cm
- Pillows are 10cm – 15cm thick, with a 3cm – 4cm depression.
- Adults should choose pillows sized 45cm x 45cm, 50cm x 50cm, or 70cm x 70cm
Read more:
- Double mattresses for 2 people and single mattresses - what are the standard sizes?
- Does a 2mx2m mattress have feng shui significance?
3. Mattress sizes for children's beds
According to expert advice, we should start using a mattress from birth to promote healthy skeletal development. However, children's mattress sizes are more specific than those for single or double beds.
For infants, you can place them in a crib or lay the mattress directly on the floor. Standard mattress sizes in this case are 0.6m x 1m, 0.6m x 1m2, 0.7m x 1m1 or 0.8m x 1m2.

When children reach 3 years old, parents today often design separate bedrooms for them to foster independence. At this point, the child will have their own bed, but it must be sized proportionally to the room's interior. Standard mattress sizes on the market for children's beds include: 0.7m x 1m9, 0.8m x 1m9, or 0.9m x 1m9.

And corresponding to each stage of development, children have an appropriate pillow size.
- Infants up to 6 months old should use a pillow that is only 1cm - 2cm thick, with dimensions of 25cm x 35cm.
- From 7 months to 3 years old, children should use a pillow 3cm - 4cm thick, with dimensions of 30cm x 40cm.
- When older, children from 3 years old can use a pillow 3cm - 9cm thick and with dimensions of 35cm x 50cm.
4. Bunk bed mattress sizes
Bunk bed mattresses are a familiar product for students living in dormitories. Additionally, if your family has two children whose ages are not too far apart, bunk beds are an optimal solution. Standard bunk bed mattress sizes include: 1m x 2m, 1m2 x 2m, 1m4 x 2m, 1m6 x 2m.

Carefully check the dimensions of each tier to ensure you purchase the correct size bunk bed mattress.
See more: What are the bunk bed sizes available? Which type is suitable for children, dormitories?
5. What to keep in mind when choosing a mattress size?
To accurately choose the most suitable mattress size for your family, Ru9 would like to suggest a few points to consider:
- Ensure the mattress fits the bed size: You should know the dimensions of your bed frame to avoid situations where the mattress is too big or too small for the bed.
- Choose a bed and mattress that fit the space: Depending on the size of your bedroom, you should choose an appropriate bed and mattress size. If it's too big or too thick, it will feel stuffy and cramped; if it's too small, it will make the space feel empty and lack a focal point.
- Choose a mattress that suits the number of users: Each type of user will be suited to different mattress sizes.
- Fit your budget: Generally, the larger the mattress size and thickness, the higher the price. Consider your needs and budget to choose the most suitable mattress model. Don't choose too small a mattress size to save money.
- It's best to try out the mattress in person before buying: If possible, try lying on the mattress at the store before purchasing. This helps ensure the length and width of the mattress are suitable for you; ideally, choose a mattress 20-30cm longer than your height.
Currently, Ru9 produces premium memory foam mattresses, aiming to provide customers with an elevated and effective sleep experience. If you are interested in these product lines, please visit the detailed pages for Foam mattresses and Topper mattresses.

Some things to note when choosing a mattress size
Conclusion
We hope that the information about mattress sizes provided in this article will help you choose the right mattress size for your needs, age, and health, ensuring a good night's sleep.
See more:
- Latest mattress price list for compressed cotton, spring, and latex types
- Where to buy an affordable thin floor mattress?
- What materials are available for a 1m6 folding mattress and which type is best?

