How To Measure A Mattress? Complete Step-by-Step Guide

Helen Skeates
Helen Skeates
18 min read

If you follow these two easy steps, you’ll soon be an expert at determining the perfect size mattress for your needs. In this manual, you’ll learn the steps to take to accomplish your goal in the shortest amount of time possible with the least amount of effort. But why take the time to measure your bedroom?

When shopping for bed linens and pillows, it’s helpful to have a precise measurement of your mattress. Or maybe you’re just getting new bedding and a new bed frame. Know the dimensions of your mattress and pillows as a matter of routine.

5 Benefits of A Good Mattress

1. Achieve Adequate, Quality Nighttime Sleep

The primary benefit of a good mattress over a bad one is that you always get a nice night’s sleep or nap. Depending on the mattress type you have, they can either offer pressure point relief, back support, or both, while making you feel like you’re on cloud nine.

A quality mattress should enhance your slumber rather than disrupt it. Signs that it’s time for a new mattress include persistent discomfort after lying down for the night, trouble falling asleep, and waking up in pain. If you suffer from persistent back pain, go here now to read about the mattresses doctors suggest most.

How to Measure Your Mattress Size - Fresh Up Mattresses

2. Promote Good Form and Posture

It’s possible that people don’t even realize how often they switch sleeping positions throughout the night. Having the perfect mattress, rather than just a nice one, can help you keep or regain your healthy posture. If you sleep in the same position night after night, it’s important to invest in a mattress that supports healthy habits while you snooze.

When you sleep on your side, like a baby, you put a lot of pressure on your neck and back, which can lead to pain in those areas. Since it will be pressed down against the mattress, it might also exert pressure on the arms and shoulders, cutting off circulation. Sleeping on your right side, in particular, puts extra strain on your internal organs.

Memory foam mattresses, thankfully, have you covered if you sleep on your side. Due to the material’s reactivity, the spine can be supported and pressure spots can be cushioned. However, your joints and spine are at risk if you choose a mattress that isn’t designed for side sleepers. Consider your preferred sleeping posture before making a purchase.

3. Keep Your Mental and Emotional Health in Check

There is some truth to the claim that a subpar mattress can disrupt your slumber. Sleeping on a terrible mattress every night can lead to sleep deprivation and fatigue, even if it simply causes insomnia at first. Neglecting your sleep schedule can have serious effects on your mental and emotional well-being in the short and long terms.

A lack of quality sleep can have the following negative impacts on your mental and emotional well-being:

  • Dumb and careless.
  • Affects alertness; makes you feel sleepy and yawn a lot during the day.
  • Exacerbates lability of emotion and irritation.
  • Anxiety, depression, bipolar disorder, and ADD/ADHD are all made worse (ADHD).
  • Reduces mental efficiency and productivity.

A good mattress improves your chances of getting a restful night’s sleep, which in turn reduces your risk of developing the aforementioned health problems. But remember that even the most comfortable bed won’t guarantee you a restful night, which brings us to our next point.

4. Develop an Inclination to Your Sleeping

Unfortunately, a terrible mattress is just one of the numerous individual factors that can cause people to dislike sleeping. Additionally, there are many who are so busy with their daily activities (such as job, school, and other commitments) that they fail to give adequate time to sleeping. A new mattress could help you get your sleep back to where it once was.

If you’re not feeling refreshed in the morning, your mattress could be to blame. Making your bedroom a soothing retreat is another great way to get extra shut-eye.

Try to give yourself the gift of a good night’s sleep every once in a while. Here are some suggestions for making your bedroom more conducive to sleep:

  • Keep the bed for resting or private time only.
  • Bring down the ambient volume
  • Adjust the temperature so that it is no higher than 65 degrees Fahrenheit (18.3 degrees Celsius).
  • Put all electronic devices out of reach.
  • Reducing visual noise
  • Color your bedroom with warmer tones.

5. Get the Most Out of Your Purchase

These days, the going rate for a decent mattress is not a laughing matter. It’s not easy to put up money for a mattress, even a cheap one, especially if you’re also responsible for a lot of other bills at home and for yourself.

That’s why a quality bed is an investment that will last a lifetime. Investing in a high-quality mattress is a wise decision because it will last you for several years with proper care.

Examine the typical durability of various bed types:

  • 5–6.5 years for an innerspring
  • In the case of foam, between 6 and 7 years.
  • 5–8.5 years for latex
  • 5–7.5 years for hybrids

How To Measure A Mattress Yourself

Step #1. Strip it off

Get the true dimensions of your mattress by taking it apart and putting it back together without any of the padding or pillows. The sheet, cover, and mattress protector must all be removed. However, the mattress pad can be kept so that measurements can be taken for a new comforter or fitted sheet to fit over the top of the mattress and pad.

For instance, measure the bed without the mattress topper and then again with the topper in place. The height of the bed with the mattress topper added should be taken into account while shopping for a fitted sheet. Obtaining the dimensions of the mattress (with and without the topper) can help in selecting appropriate furniture for the bedroom.

Step #2. Get measuring

Get out the tape measure once you have your mattress stripped down to its frame. The width of the bed is measured from one side to the other, and its length is determined by measuring it from the center of the bed to the foot of the mattress. But what if your bed has an outward or lateral curve?

In order to achieve the correct length, start at the farthest point and work backwards to determine the breadth. In terms of height, it’s best to work from the ground up. When obtaining these measurements, make sure your mattress is flat.

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How Do I Know What Size My Mattress Is?

Mattresses come in a wide variety of shapes and sizes, however they can generally be categorized as either full, queen, king, California king, twin, or twin XL. Every size has a defined set of measurements, but different manufacturers may produce items with slightly different proportions. Moreover, you may come across sizes that are either larger or lower than the aforementioned six categories.

The standard dimensions for a twin bed are 38 inches in width by 75 inches in length, while the twin XL is 80 inches in length by the same breadth. Full, the most popular size, is 53 inches wide and 75 inches long. The larger queen bed measures 60 inches broad by 80 inches long and may be more to your liking.

The king size bed is 76 inches wide, making it ideal for those who value width over length. The California king’s length of 84 inches makes up for its narrower width of 72 inches, making it a good choice for those who are tall. However, the largest bed available is the Alaskan king, which is perfect for those who need a lot of space to sleep.

What is the most popular mattress size?

If you don’t know the size of your mattress, you can either measure it yourself or ask the store’s staff. The queen size is the most popular choice for homes because it is neither too little nor too large. However, the optimal mattress size differs from person to person.

There are specialty sizes available if you’re having trouble finding a mattress that fits your space and your needs while you sleep.

How To Use Mattress Dimensions To Buy A Bed Frame

Once you have the exact measurements of your mattress, you can utilize that information for more than just shopping for bedding accessories. Furthermore, they will help you select a suitable bed frame for your new mattress. It would be easy to find a bed frame to fit your mattress if you knew its dimensions.

To get the most out of a king-sized mattress, it’s best to use a king-sized bed frame. However, some manufacturers may have slight differences, so it is best to have both the bed and frame dimensions on hand. The mattress shouldn’t sit too low on the frame or spill over the sides if the dimensions aren’t the same.

How Big Is A 5 Ft Mattress?

In your search for a new bed, you might come across some items that are 5 feet in length. These are the common king-size mattresses, measuring 5 feet broad by 6 feet 6 inches long. The extra space and breathing room they provide makes them perfect for couples sharing a bed.

To what extent do you recommend upgrading to a king-size bed? If your bedroom is large enough, you should definitely consider getting one. You should, however, measure your entrances, staircases, and pathways to ensure that you will be able to swiftly maneuver the mattress through these areas when it arrives. Transporting a king-sized bed can be challenging if you’re going it alone.

How to Keep Your Mattress in Good Shape Longer

We’ve compiled ten of the most effective strategies for taking care of your mattress and avoiding potential catastrophes.

1. Make sure your mattress is properly supported.

It’s important to make sure your mattress has the correct amount of support, and while you might not necessarily need to buy the matching box spring or foundation, it’s still a good idea if you can. This aids in preserving fabrics and delaying wear.

You can get advice on how to take care of your product by consulting the manufacturer or the warranty. Memory foam mattresses and other speciality mattresses typically demand strong, substantial support, and so, box springs are typically exclusively utilized with spring mattresses.

Framed beds should be sturdy enough to hold the mattress and occupants, and both queen and king sizes should have center support bars. Depending on the style and weight of the mattress, a platform bed with wide slats may require additional support.

Every year or so, you should inspect the slats and springs supporting your bed to make sure there are no breaks that could compromise the integrity of your mattress.

2. Use a mattress protector from the beginning.

One of the greatest and simplest ways to extend the life of your mattress is to use a protector, and we’ve already discussed why that is.

A high-quality mattress cover not only provides waterproof protection against accidents, but also keeps dirt, dust, and debris from settling into your bed.

This prevents allergens like mildew and dust mites from accumulating on your bed, keeps skin oils and sweat off the bed, and helps preserve the life of the materials inside your bed. Many modern protectors are as comfortable as a fitted sheet, and they all make cleanup a breeze if an accident does occur.

3. Wash bed linens regularly.

Sweat, oils, hair, and dead skin cells are all shed during sleep. Crumbs from breakfast in bed and cat fur are just two examples of the mess that can be tracked into the bedroom. All of this, in addition to being unhygienic, can penetrate a mattress’s layers, providing a fertile environment for germs and dust mites.

Most cleaning professionals agree that washing bed linens once every week to two weeks is optimal. It’s still vital to wash sheets regularly, even if you use a mattress protector. Mattress protectors should be washed on a regular basis as recommended by the manufacturer.

4. Get pets separate beds to snuggle in.

If we’re talking about things that should not be allowed to sleep in bed with us, dogs should have their own beds.

When pets go outside, they drool and shed hair and cells just like people do, and all that ends up in your bed, no matter how often you brush them. Accidents involving pets are another common source of mattress damage.

5. Rotate the mattress regularly.

Regularly rotating a mattress of any size or composition is recommended. There are those who would have you believe otherwise, but the truth is that not rotating increases the likelihood of depressions and softening and promotes more even wear.

Between twice and six times a year, switch the mattress’s position by turning it on its side. This is especially crucial in the first several years, while you are “breaking in” the mattress.

6. No jumping on the bed!

Mom was right when she cautioned you not to jump on the bed. While spring, water, and air mattresses may be the most fragile, foundations, frames, and even foams can all wear out more quickly under rough use.

7. Take care when moving your mattress.

A mattress can easily be damaged during a move, thus it is recommended that you encase it in plastic and refrain from bending or folding it. Protect your mattress from dust, water, and scratches by purchasing one of the heavy-duty mattress bags sold at most moving and box stores. These bags can be sealed with packing tape.

As a general rule, mattresses should be moved while standing on their sides to prevent them from folding or sagging. Manufacturers of mattress covers with handles often advise against use those handles for the purpose of dragging or transporting the mattress.

8. Don’t bring home unwanted hitchhikers.

Infestations of bedbugs are a quick way to damage a mattress, and getting rid of them may be a major hassle.

Keep your luggage off the floor and check the bed for symptoms of bed bugs whenever you stay somewhere other than your own house. Texas A&M University offers advice on how to avoid introducing bedbugs back into your home if you think you’ve encountered them.

If you live in a place or state where bedbugs are common, you might want to invest in a mattress encasement. Bed bug encasements are distinct from mattress protectors in that they completely encase the mattress and have sturdy zippers to keep pests out.

9. Let the light in occasionally.

Once every two weeks, on a dry, bright day, remove the sheets and let the bed air out for several hours (though if bedbugs are possible, leave the cover on).

According to a study conducted at Kingston University, this helps prevent moisture from both sleepers and humidity, which in turn helps keep dust mite populations in check.

Measuring the Height of the Mattress with a Measuring Tape. Comfortable Sleep Orthopedic Bed Stock Image - Image of orthopedic, bedroom: 236263689

10. Follow manufacturer cleaning directions.

You should regularly clean your mattress no matter what it is made of to ensure your health and the health of your sleeping companions.

Most beds should be vacuumed with a hose attachment to eliminate surface dust; several manufacturers provide cleaning instructions.

Mild water and soap can be used to spot treat stains, but you should wait until they are dry before changing the bed. Harsh chemical cleaners should be avoided on foams since they compromise foam integrity.

Spot treating stains as needed and doing a thorough vacuuming every one to three months is recommended.

Mattresses come in all shapes and sizes, and while their upkeep and care may vary slightly depending on the specifics of the brand or model, the fundamentals remain the same. Maintain a tidy bed by avoiding spills and stains, keeping it off the floor, making ensuring it has a solid foundation, and turning it over often to ensure uniform wear.

There are a lot of variables that affect how long a mattress will last, but following these guidelines will help you get the most out of your purchase and sleep soundly for years to come. Know that a 10-year guarantee on your mattress is regarded industry standard, regardless of whether you’re shopping at a traditional brick-and-mortar store or one of the new bed-in-a-box mattress providers.


Knowing the precise measurements of your bed is crucial. Have you ever measured a mattress before? Dimensions for each given model can be found on the manufacturer’s website, but sizing up a potential purchase is as simple as taking a ruler to the item in question.

Remove any covers or other padding, and then measure the mattress’s width, length, and height. When measuring the width and length of a curved bed, it is important to choose the widest and longest points. If you want to buy sheets, you should measure the mattress with the topper on it.

Helen Skeates

Helen Skeates

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