What Is The Size Of A Double Mattress?

What Is The Size of a Double Mattress?

A double mattress, commonly referred to as a full-size mattress, typically measures 54 inches wide by 75 inches long. This bed size offers ample room for a single sleeper who prefers extra space to stretch out, and it can accommodate two adults if necessary, though it may feel a bit snug compared to larger bed sizes like queen or king.

Understanding Double Mattress Dimensions

Double mattresses have earned their name from their practicality and versatility. Measuring 54 inches in width provides a good balance between width and length, allowing for comfortable sleeping arrangements in various settings. This size represents a middle ground, larger than a twin (single) mattress but smaller than a queen or king, making it a popular choice for guest rooms, teenagers, and apartments.

Width and Length Breakdown

The standard dimensions of a double mattress are 54 inches wide and 75 inches long. The width is what primarily sets it apart from other sizes:
– **54 inches wide**: This width gives each sleeper about 27 inches if the bed is shared. It’s considerably wider than a twin mattress, which is only 38 inches wide.
– **75 inches long**: While this length is the same as that of a twin mattress, it may feel short for taller individuals. Some people over 6 feet tall might find that their feet dangle off the edge.

Comparing Double Mattresses to Other Sizes

Understanding how a double mattress compares to other standard mattress sizes can help in making an informed decision:
– **Twin Mattress**: Measures 38 inches by 75 inches. It’s narrower by 16 inches compared to a double mattress.
– **Queen Mattress**: Measures 60 inches by 80 inches. It provides 6 inches more width and an additional 5 inches in length.
– **King Mattress**: Measures 76 inches by 80 inches. It’s the same length as a queen but offers significantly more width.
– **Twin XL Mattress**: Measures 38 inches by 80 inches. While it’s 16 inches narrower, it offers an extra 5 inches in length compared to a double mattress.

Benefits of a Double Mattress

Choosing a double mattress can come with a variety of benefits depending on your needs and the space available:


Double mattresses are often more affordable than their larger counterparts, making them a great choice for those on a budget. The costs of bedding accessories like sheets, mattress protectors, and bed frames for double mattresses are also typically lower.


A double mattress fits well in various room sizes, including smaller rooms where a queen or king bed might take up too much space. This makes it an excellent option for guest rooms, smaller bedrooms, and studio apartments.

Space Efficiency

If you live in a home where maximizing space is crucial, a double mattress helps in creating more overall living space. This can be particularly important in urban settings where square footage comes at a premium.

Comfort for Single Sleepers

For a single sleeper, a double mattress offers much more room to move around compared to a twin mattress. The additional 16 inches in width can make a significant difference in comfort, especially for restless sleepers.

Viability for Couples

While generally considered more suitable for single sleepers, a double mattress can accommodate two adults. Yet, it’s important to consider that it provides less personal space per person compared to a queen or king mattress. For couples who do not mind the close proximity, or for temporary sleeping arrangements, a double mattress can still be a sensible option.

Considerations When Choosing a Double Mattress

Several factors should be taken into account when selecting a double mattress to ensure it suits your needs.

Room Size

The dimensions of your room are a key factor. Ensure you measure the space where the bed will sit, considering not only the area for the mattress but also space to move around comfortably. Remember to factor in any additional furniture you have in the room.

Sleeping Arrangements

Think about who will be using the bed. If it’s for a single adult, a teenager, or as an occasional guest bed, a double mattress could be perfect. However, if the bed will be used regularly by two adults, the limited space might become an issue, and a queen or king-size mattress might be a better investment.

Body Size and Sleep Positions

If you are taller or sleep in a stretched-out position, the 75-inch length might not suffice. Taller individuals or those who sleep prone might feel more comfortable with a queen or a twin XL mattress. Additionally, couples with different sleeping patterns or body sizes should consider if the 54-inch width provides enough personal space.

Comfort and Support

Choosing the right mattress isn’t just about size; the level and type of support also matter. Memory foam, latex, innerspring, and hybrid mattresses all offer different sleeping experiences. Testing a mattress in-store, if possible, can help determine which type offers the best comfort and support for your needs.

Top 5 Mattresses Recommended By GoodSleepHub.com

Budget Constraints

While double mattresses are generally more cost-effective, your budget may influence whether you can invest in a high-quality option. It’s essential to balance cost with quality to ensure you get a mattress that will last and offer a comfortable night’s sleep.

Accessories for Double Mattresses

Once you’ve chosen a double mattress, you’ll want to consider the various accessories needed to maximize comfort and longevity.


Finding the right bedding size is crucial for a double mattress. Sheets, duvets, and mattress protectors should all be appropriately sized to ensure a proper fit. Investing in high-quality, breathable fabric is also essential for a good night’s sleep.

Bed Frame and Headboard

Choosing the right bed frame is important for the overall stability and aesthetic of your bed. Some frames come with built-in storage, which can be a valuable addition if you’re working with limited space. A headboard can also add a touch of style and provide additional comfort for activities such as reading or watching TV in bed.

Mattress Toppers

A mattress topper can offer an extra layer of comfort. Whether you prefer memory foam for its body-contouring properties or latex for its additional support, a mattress topper can enhance the overall sleep experience.


Choose pillows that offer the right support for your sleep position. Side sleepers need firmer pillows, while back and stomach sleepers often require softer options. Ensuring your pillows provide proper neck support can significantly impact your sleep quality.

Maintaining Your Double Mattress

Proper care can extend the life of your mattress and maintain its comfort level.

Regular Cleaning

Periodically vacuum your mattress to remove dust and allergens. Using a mattress protector can prevent stains and spills from reaching the mattress itself.

Flipping and Rotating

While some modern mattresses are designed to be no-flip, many still benefit from being rotated periodically. This helps even out wear and tear, especially in the areas where more weight is often placed.

Proper Support

Ensure your mattress has the appropriate support. Confirm that your bed frame is robust enough to handle the weight of the mattress and its occupants. A box spring or a solid foundation is also important for maintaining the integrity of the mattress structure.

Finishing Thoughts

A double mattress offers a versatile and cost-effective solution for various sleeping arrangements. Whether you’re seeking extra space as a solo sleeper, outfitting a guest room, or opting for a more compact bed for a smaller space, understanding the dimensions and benefits of a double mattress can guide you in making an informed decision. Pay attention to the length and width to ensure your comfort, keep budget considerations in mind, and don’t forget about accessories that can improve your sleep environment. Properly caring for your mattress ensures it remains supportive and comfortable for years to come, making your investment worthwhile.


  • Aiden Lawrence

    I'm Aiden Lawrence, a certified Sleep Science Coach and senior editor of GoodSleepHub, proud parent of two amazing kids, and a pet lover with a cat and a dog. Join me as we explore the world of sweet dreams and comfy pillows. Let's make bedtime the highlight of your day!

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