Double Bed Mattress Width: Your Ultimate Guide


Embark on a journey to discover the essentials of double bed mattress dimensions. This comprehensive guide demystifies the width, size, and comparisons of double beds, providing you with the knowledge to make informed decisions for your bedroom comfort.

1. Standard size of double mattresses

The standard width of a double mattress, also known as a "small double" or "full size", varies from region to region. In the UK, the width of a double mattress is usually 120cm (4ft), whereas in the US and Canada, the figure is 54 inches (approximately 137cm). This difference reflects the different cultures and market needs of each region.

Exploring the world of double mattress sizes is about more than just understanding the numbers; it's also about considering how these sizes fit into different living spaces and needs. In the next section, we'll take a deeper look at the features and suitability of each size.

Continue reading the next section for an in-depth exploration of actual double mattress sizes and their impact on sleep.

2. Actual size of a double mattress

The actual size of a double mattress may vary depending on the brand, model and even production batch. Although there are standard sizes, manufacturers often adjust the size of their mattresses according to market demand. For example, some double mattresses may be slightly wider, providing more space and comfort.

Knowing the actual size of your double mattress is crucial to ensuring that it will fit perfectly in your bedroom space. This is not only about length and width, but also the height and thickness of the mattress, which can affect how comfortable and supportive it is. For this reason, it's important to always measure or double-check the product specifications yourself when making a purchase.

Next, we'll compare different mattress sizes to help you understand the differences between them and how to choose the best size for you.


3. Comparing different mattress sizes

In the world of mattresses, size diversity is an important feature. For example, 180x200cm mattresses are very popular in Europe, offering a more spacious sleeping area than a standard double mattress. Mattresses of this size are often categorised as 'king size' or 'queen size' and are suitable for sleepers who need more room to stretch out.

King size mattresses are wider than standard twin mattresses, providing a more luxurious and spacious sleeping experience. Understanding these size differences is critical when choosing a mattress, as they directly affect bedroom layout and sleep quality.

Super king size mattresses are even larger; they offer a top-notch sense of spaciousness and comfort and are preferred by those seeking the ultimate sleep experience. However, it's also important to consider the space capacity of your bedroom when choosing a larger mattress size.

Read on for an in-depth look at how mattress size affects the sleep experience and how to choose the right mattress that promotes a good night's sleep.

4. Mattress size and sleep experience

While a double mattress is suitable for a single person, it can also accommodate two people. However, the choice of a double mattress does not depend only on size, but also on the individual's sleeping habits, body type and the need for co-sleeping. For example, a larger mattress may be more appropriate for someone who likes to roll over or needs more space.

The size of your bed is directly related to the quality of your sleep. A bed that is too small may lead to sleep discomfort and frequent awakenings, while a bed that is too large may take up too much space in the bedroom and interfere with other features of the room. Therefore, choosing the right mattress size is key to achieving a quality night's sleep.

The next section will explore the mattress size options available in the market to help you understand the different sizes of mattresses and their scenarios.

5. Mattress Size Options in the Market

There is a wide variety of mattress sizes on the market, ranging from small single mattresses to super king size mattresses. The largest mattresses, often referred to as "California king size" or "super king size," can measure up to 72 inches by 84 inches (approximately 183 cm by 213 cm), providing the user with a comfortable mattress. 213cm), providing the user with a generous amount of sleeping space.

Knowing the size of the largest mattresses is critical for consumers with specific space needs. For example, a queen or king size mattress may be the best choice for a large bedroom or for a home where more space is desired. However, the overall layout of the room and the handling and installation of the mattress also need to be considered before purchase.

Queen and king size beds differ in size, with queen size beds usually being more common and suitable for most modern homes. When choosing a mattress, it's important to consider not only the size, but also the material, support, comfort and budget.

As we continue to explore, the next section will provide detailed buying guides and advice to help you purchase your ideal mattress.


6. Buying guide and advice

When shopping for the ideal double mattress, it's vital to consider the following points:

  • Measure the bedroom space: make sure the mattress is the right size for your bedroom, leaving enough room for daily activities.
  • Consider user needs: Choose the right mattress size and material for your sleeping habits, height and weight to ensure comfort and support.
  • Budget planning: Mattress prices can vary greatly depending on size, material and brand, and setting a budget range can help narrow down your choices.
  • Brand and quality: Choosing a well-known brand and highly rated mattress can ensure quality and durability.
  • Test-lay experience: If possible, test-lay the mattress yourself to get a feel for its comfort and support.
  • Warranty and service: Find out if the mattress you buy comes with a warranty and after-sales service, which can protect your investment.


The size of your double mattress is crucial to ensuring a good night's sleep and improving your quality of life. With this guide, you should be able to better understand the differences in double mattress sizes and make an informed choice based on your needs. Remember to carefully consider all factors before making your purchase to ensure that you get a mattress that fits your space and meets your sleep needs.


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Q1: What is the width of a double bed?
A1: The width of a double bed, often referred to as a full bed in some regions, typically measures around 4 feet 6 inches (137 cm) in the UK.

Q2: What is the actual size of a double mattress?
A2: In the UK, the actual size of a double mattress is usually 135cm in width and 190cm in length.

Q3: What bed size is 180x200?
A3: A bed that measures 180x200 cm is considered a super king-size bed in the UK.

Q4: Is a queen bed bigger than a double?
A4: Yes, a queen bed is larger than a double bed. In the UK, queen beds, also known as king-size beds, measure 5 feet (150 cm) in width.

Q5: Can 2 people sleep in a double bed?
A5: Yes, two people can sleep in a double bed, although it might be cosier compared to a king or super king-size bed.

Q6: Why is a bed bigger, a queen or king?
A6: A king-sized bed is bigger than a queen-sized bed. The king-size offers more width, providing extra space and comfort for sleepers.

Q7: What is the biggest bed called?
A7: The biggest standard bed size is called the super king in the UK, measuring 6 feet (183 cm) in width and 6 feet 6 inches (200 cm) in length.

Q8: What's the biggest bed size?
A8: The largest commonly available bed size is the super king, which is 6 feet (183 cm) wide by 6 feet 6 inches (200 cm) long. However, bespoke beds can be made larger upon request.

Q9: Which bed size is better, king or queen?
A9: The choice between a king and a queen bed depends on personal needs, room size, and preference for sleeping space. King beds offer more space and are better for couples who need more room, while queen beds are more suited for smaller spaces and single sleepers.

Q10: Are double beds suitable for all body types and sleeping positions?
A10: Double beds can accommodate most body types and sleeping positions, but for individuals taller than 6 feet or those who need more space, a king or super king-size bed may be more suitable.

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