How Big Is A Full Mattress?

Sleeping comfortably is important in maintaining a good health condition as well as keeping fit. To achieve that we need to have a good size of mattress preferably a full-sized one as it is big and can be used by two people. A full size mattress also known as a double size bed comes in different dimensions depending on the manufacturer and the product.

Often we feel body pains most likely back pains due to the use of a small-sized bed sometimes shared by two people. Waking up with the feeling of tiredness in a small bed after relaxing for hours can be somewhat displeasing especially when you need to get to work at that particular moment. Getting a full mattress will put a stop to the stress and you can get a sound and healthy sleep soundly.

After the days’ work as a young lady or man our body calls for sleep that we have to respond to so as to let the stress wear off naturally. Choosing a good mattress will improve the quality of our sleep. In getting a good sleep a full mattress is a great option. A full mattress is sometimes called a double mattress which is a tight fit for two persons.

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How big a bed is can sometimes complement the size of a room. Having enough space to sleep comfortably can be achieved when you have a full size mattress. For a big room it is better to have a full mattress to put the room in order. Picking a full size mattress will put an end to body pains and tiredness and with that we can be in good health.

The size of a bed is important as equally as the comfort of a bed. A small bed should be for just a person as some people cannot afford a full sized bed. I believe a full mattress is quite better than a small one as it can help reduce expense for parents and big enough for two kids.

In some homes where a parent has four kids it is advisable to get two double or full mattresses. For instance in a home where a parent has two kids sharing a mattress, kids tend to toss and turn while sleeping. Having a small-sized bed is not advisable for kids as one could fall off the bed. Sometimes a full mattress may not be enough for two people depending on our body size and sleeping preferences. A double bed may be suitable for people sharing a mattress and it may not.

Do you need assistance in choosing a good and big quality full-size mattress for a good night rest? Here is a list of products by different manufacturers to choose from depending on your own preferences.

4 Best Full Size Mattresses (Reviewed and Ranked)

1. Sweetnight Full Size Mattress

Sweetnight Full Size Mattress, 10 Inch Gel Memory Foam Mattresses for Back Pain Relief/Motion Isolation & Cool Sleep, Flippable Comfort from Soft to Medium Firm, Sunkiss
  • HELP SOLVE YOUR SLEEP PROBLEMS — sweet night Full mattress is made of 4 layers & zoned Gel Memory Foam. Patented memory foam mattress keeps your body properly aligned, fully supported and relieves pressure at a comfortable, cool Temperature. Helps those with back pain, sweat. Feels rested and recharged from your partner night-time tossing and turning.
  • TWO SIDES AVAILABLE TO SLEEP — the Full size mattress designed to be flippable; allowing you to sleep on either side. The Top side with Gel memory Foam layer, is perfect for those who like sleeping “in” the sweet night mattress with a soft, cloud-like feel; while the bottom side with high density supportive foam, is great for those who like sleeping “on” a medium firm mattress. Ideal for all sleeping positions, especially for side sleeper.


  • Dimensions: 54 x 75 x 10inches
  • Weight: 60 pounds

The sweetnight full size mattress is a mattress with two-sides [the top with gel memory foam layer and the bottom side with a high density foam] that can be reversed as it can help solve sleeping problems. It is tested and certified by CertPUR-US for safety and environmental stewardship without harmful substances. The mattress reduces heat at sleep surface in summer time and also provides support for the body and eliminates hindrances in movement.

An ideal bed for all sleeping positions especially side sleepers. Through the use of sweetnight mattress you get a perfect spinal alignment. The mattress stops you from tossing and turning while sleeping. You can enjoy a healthy sleep with a sweetnight mattress.

how big is a full mattress

2. Coolvie Full Size Mattress

Full Size Mattress, Coolvie 11 Inch Memory Foam and Innerspring Hybrid Double Bed Mattress in a Box, Medium Firm Feel, Motion Isolation, Breathable & Pressure Relief, Risk-Free 100 Night Trial
  • 【Medium Firm Comfort Mattress】- Coolvie 11-inch medium firm hybrid mattress combines the moldable comfort of memory foam with the traditional support of an innerspring mattress. Soft and smooth 3D knitted fabric on top which has excellent moisture absorption and breathability give you a good sleeping environment. Tightly knit edges and reinforced foam maximize edge support.
  • 【Soundly Sleep on Coolvie Mattress】- Enhanced coil spring system works with multi-layer foam to support your body well from head to toe, makes you very relax when lying on the full spring mattress, no worry of low back pain. In addition, hundreds of pocket springs of this double mattress work independently to reduces motion transfer from bed partners for a peaceful and deep sleep.


  • Dimensions: 75 x 54 x 11 inches
  • Weight: 82 pounds

Coolvie full size mattress is a soft knitted medium firm mattress with 6layered structure enough to support the body evenly. The mattress gives good comfort and deep sleep that is needed for a healthy body.

The mattress is tested and certified by certiPUR-US without ozone depletes, flame retardants ensuring no worries while sleeping. Coolvie mattresses fit all frames and can be used easily. You just have to unbox it carefully then place it on a frame allowing it to expand for 48 to 72hrs.

how big is a full mattress

3. Jigxun Premium Layered Pressured Full Size Mattress

Full Mattress JINGXUN 9 Inch Premium Gel Multi Layered Memory Foam Bed Mattress in a Box Foam Full Size Mattress for Cool Sleep & Pressure Relief,Easy Set-Up
  • ✪【Passed health certification】: The foam has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals. Don’t be alarmed if you experience a “fresh foam” odor.It is harmless and will dissipate in few days.
  • ✪【Easy to enter deep sleep】: All-foam bed design combined expertise and the best materials with advanced sleep technology. Memory foam conducive to continuous airflow & breathable; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief; Specialized foams reduce motion transfer of a partner so your sleep is undisturbed.


  • Dimensions: 39.76 x 13.78 x 13.78 inches
  • Weight: 50.4 pounds

The jigxun premium full size mattress is a three-layered all-foamed mattress made with conductive materials of high density that can be slept on by different weighted persons. It keeps your spine in check and supports the body perfectly well.

The foam has been certified by certiPUR-US and oeko Tex standard. The memory foam is breathable with no sink support foam that adapts with any type of environment. The mattress cover is washable and it is easy to install. I suggest the usage of this mattress as it can fit people with different weights.

how big is a full mattress

4. Zinus Shalini Upholstered Platform Bed

ZINUS Shalini Upholstered Platform Bed Frame / Mattress Foundation / Wood Slat Support / No Box Spring Needed / Easy Assembly, Dark Grey, Full
  • GOOD LOOKS, CONFIDENT STYLE – With its easy-as-pie assembly, sturdy construction and elegant diamond pattern stitching, the Shalini stands the test of time and makes a stunningly chic addition to your bedroom
  • DURABLY DESIGNED – Interior steel framework and dense foam padding add comfort and longevity; Twin size supports a maximum weight capacity of 350 pounds, while all other sizes can support up to 700 pounds


  • Dimensions: 79 x 57 x40.7inches
  • Weight: 83 pounds

The zinus shalini upholstered platform bed is a durable woven fabric upholstery with steel framework and foam padding to support a bed to be placed in it. The bed frame is easy to assemble and supports any memory foam or mattress.

Mattresses placed on this platform will be firm and comfortable. The platform bed gives a bedroom total transformation as it makes it neat and conducive. It is made to support any mattress without a box spring. With the frame the bed will be sturdy and quiet. Any bed fits perfectly on the frame.



The word ‘double’ and ‘full’ have exactly the same meaning. So double beds are the same as a full mattress. The beds come in the same dimensions but a few inches different with the same length. Both have enough space to accommodate to suit different body types comfortably. The use of a full or double size bed is advisable for good sleep comfort.

A big mattress is big enough for two to sleep on. With a big mattress both partners can re-position easily without disturbing another. Sleeping on a small bed can be uncomfortable when shared by two people. I would suggest the use of a big mattress, it has enough space for two people.

Using a queen sheet on a full mattress may not fit well except it is adjusted and tucked in well. It looks loose when it is used on a full bed. Making use of a fitted queen sheet on a queen bed itself is quite preferable. 


Beds come in different sizes and dimensions as well as full mattresses. In homes mattresses are vital as it is needed in having a clean and admirable environment in getting a good sleep. A good full size mattress supports the body perfectly well reducing stress, tiredness and aligning the spine. For people who would like to share a bed it is advisable for them to purchase a full size mattress for good comfort. People with different body types can make use of a full size mattress as it has high density and can be slept on without worries or thoughts of breaking down a bed frame.
How big a full mattress is, depends on the actual product purchased by you. Some full mattresses are just a few inches different while some are exactly the same. The beds have the same dimensions. A full mattress can fit any type of frame so long it is a standard one.
Mattresses quality varies. There are different products by manufacturers with several qualities to choose from such as sweetnight full mattress, coolvie full mattress, Zinus Shalini Upholstered Platform Bed, and jigxun premium full size bed based on your needs. Picking a full-sized bed is good for a comfortable and healthy sleep.

Author Profile

Gabriel Tackett
Double major in Engineering and Geology at the University of Minnesota. Experienced shooter & hunter for over 15 years. Certified NRA officer for over 10 years working as a writer at .

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