RV Mattress Sizes and Dimensions Guide

RV mattresses aren’t sized the same as standard home mattresses. Most RV beds are built into fixed platforms with specific length, width, and clearance constraints — which means a regular queen or king won’t fit, and in many cases a standard size would be too long, too wide, or too thick to work in the space.

Manufacturers created a separate sizing system for RVs: shorter queens, narrower kings, and bunk-specific sizes that fit the actual dimensions of motorhomes, travel trailers, and camper vans.

This guide covers every common RV mattress size, what the dimensions are, and how to figure out which size your rig needs.

RV Mattress Sizes

RV Mattress Size Chart

Before choosing, it helps to see all RV mattress sizes at a glance. Each RV has its own bed frame setup, so always measure your space before ordering.

There are just about as many different RV mattress sizes as there are regular mattress sizes. You can also use some standard mattress sizes, like the regular queen, depending on the dimensions of your bed platform.

Most RVs and other camping rigs have a platform to hold your mattress in place. Often, these platforms flip, slide, or otherwise move to stow your bed out of the way when it’s not in use. Some RV mattress platforms may also pop up for extra storage underneath the bed.

RV Twin Size

Twin beds are some of the most popular bed sizes for campers, vans, and RVs on the smaller side because they don’t take up a lot of space. Standard twin mattresses measure 38 by 75 inches, but RV twins are narrower, measuring either 28 by 75 inches or 28 by 80 inches.

Best For: Solo travelers or compact RV layouts such as Class B campervans.

RV twin mattresses fit well in narrow sleeping nooks or side-by-side setups for couples who prefer separate beds. You can also combine two RV twins to create a larger sleeping surface when space allows.

Truck Size

Truck size mattresses were originally intended for the cabs of cargo trucks, but some campers use the same measurements. The truck size mattress can range in size from 35 by 79 inches to 42 by 80 inches.

Ideal Use: Over-cab or semi-truck sleepers, or narrow slide-out spaces.

Truck mattresses are great for drivers who live on the road full-time and need compact comfort. Many models are made from high-density foam to provide better support in confined areas.

RV Bunk Sizes

RV bunk beds come in a wide range of sizes and dimensions. Though there are many variations of RV bunk mattresses, a few common sizes are:

• 28 by 75 inches
• 30 by 75 inches
• 30 by 80 inches
• 34 by 75 inches
• 35 by 79 inches

Note: these are not all of the possible dimensions, so you should measure your RV bunk beds before shopping for mattresses.

Best For: Families, kids, and multi-sleeper rigs.

RV bunk mattresses are typically thinner—around 5 to 6 inches—to fit tight sleeping quarters. You can upgrade them with lightweight foam toppers or cooling covers for added comfort.

Three Quarter Size

These mattresses are a little bit narrower than the full size bed and are often used in campers and RVs that don’t have the room to accommodate the wider full. At 48 by 75 inches, these mattresses might be able to sleep two kids or smaller adults, but it will be a tight fit.

Great Choice For: Mid-size RVs or single adults who want more width than a twin but less bulk than a full.

You’ll also find three-quarter mattresses in vintage trailers and compact Class C RVs, where space is limited but comfort still matters.

RV Full/Double Size

The RV full mattress is just an inch narrower than the standard full mattress, coming in at 53 by 75 inches. These mattresses are very comfortable for single sleepers under 6 feet tall, and they can accommodate two adults, depending on their size and how active they are during sleep.

Also Known As: RV double mattress size — a popular search term among campers replacing standard full beds.

The RV double offers a good middle ground for couples on short trips or solo travelers who want more elbow room without upgrading to a queen.

Short Queen Size

A regular queen mattress is 60 by 80 inches. While the RV short queen retains this width, it cuts off 5 inches in length, bringing the total dimensions of a short queen to 60 by 75 inches.  This is the first RV bed size that can comfortably accommodate couples.

While the three quarter and full are technically large enough for two, you’ll probably feel cramped sleeping on them, as they provide less sleeping space per person than a child’s crib. The short queen offers a full 30 inches of width per person while still being more compact length-wise than a regular queen.

Perfect For: Couples or taller solo travelers who want balance between space and maneuverability.

The short queen is the most common RV mattress size, fitting easily into Class A and C motorhomes, fifth wheels, and travel trailers.

RV Queen Size

The RV queen is the same size as a standard queen mattress: 60 by 80 inches. These mattresses are rarer in RVs than the short queen, since it’s not easy to get sufficient space for an 80-inch long mattress. If you’re under 6 feet tall, you probably won’t notice the difference between a short and standard queen.

Ideal For: Larger Class A RVs or full-time RV living.

Many RV owners upgrade to a full queen mattress for a more residential sleep feel, though installation can be tight in smaller rigs.

Short King Size

The standard or eastern king is 76 by 80 inches, but the short king cuts both width and length from these dimensions, coming in at 72 by 75 inches. This is 4 inches narrower and 5 inches shorter than a standard king, but unless you’re well over 6 feet tall, you’re unlikely to miss those extra inches.

Best For: Couples who value space but need a more compact footprint than a full king.

Short king mattresses work well in fifth wheels and Class A RVs with wider sleeping platforms.

RV King Size

The RV king maintains the length of a standard king but still reduces the width, measuring 72 by 80 inches. Unless you’re driving a pretty gigantic rig, you may not have a platform this size. But if you’re really tall, you might be able to find a few popup campers with an RV king option.

Perfect For: Luxury RVs, fifth wheels, and tall sleepers who need maximum legroom.

If you have enough floor space, an RV king delivers residential comfort on the road. Be sure to measure carefully, as tight clearance around walls or slide-outs can limit fit.

Custom and Odd-Shaped RV Mattresses

Some RVs have platforms that don’t match any standard mattress size—especially in corner beds or curved-wall areas. These are called cut-corner, radius, or odd-shaped RV mattresses.

Custom RV mattresses are designed to match these layouts, offering precision cuts that allow you to maximize every inch of your space. You can order custom options in memory foam, latex, or hybrid builds, and some manufacturers even offer folding or hinged styles for easier installation.

Although they cost a bit more, custom sizes often provide a better fit, improve comfort, and prevent wear from mattresses rubbing against the walls or frames.

How to Measure for an RV Mattress?

RV mattresses don’t follow standard home dimensions, so taking accurate measurements of your bed platform is essential before buying a replacement. Follow these simple steps to get the perfect fit:

Step 1: Remove the old mattress
Take off the existing mattress completely so you can measure the actual platform or frame, not the mattress itself.

Step 2: Measure the length and width.
Use a tape measure to record the length (head to foot) and width (side to side) of the platform. Note the measurements in inches for accuracy.

Step 3: Check the height or clearance.
If your bed folds, slides, or lifts for storage, measure how much vertical space you have. Most RV beds can only fit mattresses 5–6 inches thick.

Step 4: Identify special shapes or corners.
For beds with rounded or cut corners, trace the platform shape on paper and measure each angled section separately. This helps ensure your mattress won’t overhang or leave gaps.

Step 5: Note orientation and placement.
Record whether the cutout or corner angle is on the left or right side of the bed—this small detail ensures a precise custom fit.

Always double-check your measurements before ordering, as even a one-inch difference can affect how well your mattress fits on the platform.

RV Mattress Types

You may think you don’t need to worry about mattress material when purchasing a bed for an RV; you just need to pick whatever’s comfortable. And yes, your preferences on comfort are important, but, they’re not the only thing you have to consider.

RV mattresses differ from regular home beds because they must balance comfort, weight, airflow, and space efficiency. The best RV mattress materials are those that adapt to your travel habits, local climates, and how often you use your rig.

Depending on the climate where you set up shop, your mattress’s material could cause some problems. You’ll need to be aware of your travel style and the climate of your destination when considering types of mattresses.

1. Innerspring

Innerspring mattresses are made of a network of springs wired together to support your weight. A top layer of foam, cotton, etc. goes over these springs to provide a cushion. These mattresses are often not as cushioning or supportive as latex or memory foam, but they do have one big advantage: coolness.

For RV owners without air conditioning or those camping in hot, dry climates, innerspring beds allow maximum airflow through the coils, keeping the surface cooler. They’re also lighter than hybrids or foam models, which makes them easier to lift or store during travel.

If your RV or travel trailer doesn’t have air conditioning, the circulation allowed by the coils can help keep you a lot cooler than any type of foam.

Modern coil systems often feature rust-resistant materials, but it’s still best to use a moisture barrier or mattress protector in humid or coastal conditions to extend durability.

2. Latex Foam

Natural latex is made of sap harvested from rubber trees, and it is often a good compromise between memory foam beds and innersprings because it offers some of the cradling and support of memory foam and some of the cooling power and responsiveness of innerspring.

Latex mattresses are also great if you’re camping in an area with a lot of allergens since they resist mold, pollen, mildew, dust, and dust mites.

Latex is a premium choice for frequent travelers or allergy-sensitive sleepers. It’s naturally hypoallergenic and resistant to mold, mildew, and dust mites, making it ideal for RVs that may sit unused in humid environments.

You can find Talalay latex for a softer, bouncier feel or Dunlop latex for firmer, denser support—both work well in compact spaces where stability matters.

3. Memory Foam

Another hypoallergenic option, the memory foam mattress is the most cushioning of all the material options because it conforms so closely to your body’s shape, cradling pressure points while still offering support. However, an issue with some types of memory foam is its tendency to retain body heat.

Memory foam RV mattresses are popular for long-term comfort and motion isolation, especially if you’re sharing a small sleeping area. Their contouring ability helps reduce pressure points during extended trips.

If you’re camping in a cold area, being enveloped in a warm, cozy foam could keep out the chill all night. However, if you’re camping in a hot area, you might be sweating it out all night.

Traditional foam tends to trap warmth, which can be uncomfortable in hot climates. For better temperature balance, choose gel-infused memory foam or open-cell foam models that wick away heat and maintain airflow.

One way to combat heat retention is with gel memory foam. Gel foam has tiny, cooling gel microbeads mixed into the regular memory foam to help wick away body heat and prevent hot nights.

You can also pair memory foam with bamboo or cooling covers to enhance ventilation and prevent moisture buildup during summer travel.

Factors to Consider When Choosing an RV Mattress

Choosing the right RV mattress isn’t just about size. Comfort, weight, and mobility all matter when space is limited. 

Look for a mattress that balances firmness with flexibility, especially if your bed folds or slides. Lighter foam or hybrid models are easier to move and store, while dense foam or latex provides better long-term support.

Other key factors include ventilation, ease of cleaning, and warranty coverage. Since RVs experience greater temperature swings and humidity, materials with cooling layers and removable covers tend to last longer and perform better year-round.

Best RV Mattress Materials for Different Climates

Your travel climate plays a major role in how comfortable your RV mattress feels throughout the year. Here’s how to choose the right material based on where you travel most:

1. Humid or Coastal Areas – Go for Latex or Gel-Infused Foam

In high humidity or coastal environments, latex mattresses and gel memory foam perform best.
They naturally resist mold, mildew, and allergens, and their open-cell or gel designs help regulate temperature and reduce moisture buildup. This makes them perfect for beachside or southern coastal RV trips.

2. Cold or Mountain Regions – Choose Memory Foam

If you spend more time in cooler or mountain climates, traditional memory foam keeps you warm by retaining body heat.
It provides cozy insulation and excellent pressure relief—ideal for chilly nights or high-altitude camping.

3. Hot or Dry Climates – Opt for Innerspring or Hybrid

For hot desert areas or dry regions, innerspring and hybrid RV mattresses are the most breathable.
Their coil systems promote airflow, helping to release trapped heat and keep you cool during warm nights. Look for models with cooling covers or ventilated layers for extra comfort.

Saving on a New RV Mattress

You want to get your money’s worth without overspending when it comes to new mattresses for your RV. We suggest checking out of these top sales:

• Presidents Day Mattress Sales
• Memorial Day Mattress Sales
• 4th of July Mattress Sales
• Labor Day Mattress Sales
• Columbus Day Mattress Sales
• Black Friday Mattress Sales
• Cyber Monday Mattress Sales

SEE ALSO: Best Time to Buy a Mattress

FAQs

Can’t I just use an air mattress?

Air mattresses can be a great option if you have a van, camp trailer, or another compact vehicle. However, comfort is a problem with virtually all air beds. If you’re just going on a weekend camping trip, an air mattress is likely suitable. But if you’re headed cross-country for several weeks or months you’ll probably need something sturdier.

Air beds don’t offer the kind of support you need for the long term, and their tendency to tear and leak means they might not be durable enough for weeks of nightly use. Air mattresses on the lower end of the price spectrum are especially vulnerable to damage. More expensive air mattresses are more durable, but they’re also often bulkier, which might negate the main reason for purchasing one.

How do I know if an RV mattress is right for me?

Of course, the first thing you’ll need to make sure of is the mattress you’re purchasing fits your platform. Once you ensure this, you’ll need to think about mattress materials. How long will you be sleeping on the mattress? Will you be moving it around to stow it? Are you camping in a hot/humid/cold/dry area?

If you’re going to be sleeping on your mattress long term, you’ll probably want a high-quality latex or memory foam mattress, while you can get away with cheaper alternatives if you’re just camping for a few days. If you’ll be lifting or sliding your mattress a lot, high-density foams may be too heavy, and a lighter innerspring might be better. Similarly, the climate you’re camping in and the level of climate control you have in your rig will have an impact on whether you need a warming or cooling mattress material.

How often should I replace an RV mattress?

Most RV mattresses last 5 to 7 years, depending on how often you use your rig and the material quality. Signs it’s time to replace include visible sagging, uneven support, or waking up sore. Investing in a high-density foam or hybrid replacement can improve both comfort and sleep quality on the road.

What is the best mattress size for couples in an RV?

The short queen mattress (60 x 75 inches) is the most popular choice for couples because it provides enough width for two people while saving five inches of length to fit tighter spaces. Larger rigs can fit an RV king (72 x 80) or short king (72 x 75) for a more spacious sleep surface.

Can I use regular bedding on an RV mattress?

Regular bedding may fit some RV sizes—like full, queen, or king—but shorter or narrower RV versions (such as short queen or three-quarter) usually need RV-specific sheets or stretchable deep-pocket sets. Look for elastic corner designs to keep bedding secure while driving.

Are RV mattresses different from regular home mattresses?

Yes, RV mattresses are built for lighter weight, compact dimensions, and flexible installation. While home mattresses follow standard sizing, RV versions may be shorter, thinner, or have customized corners to fit tight layouts or slide-outs.

Can I get a different sized mattress than the size of my bed platform?

Most of the time, no. Getting a mattress that doesn’t fit your bed platform is similar to getting a mattress that doesn’t fit your bed frame at home. If your mattress is too big, it will hang over the sides or foot of the platform. If the mattress is too small, it may slide around in or off the platform.

Do I need a certain thickness for my RV mattress?

It depends on if you have a slide-out/fold-down mattress. If your mattress has to be stowed inside or underneath something, it will usually need to be no thicker than 5 or 6 inches. However, if your bed doesn’t slide or otherwise stow away, you can use a mattress of whatever thickness you like.

Can I get a mattress topper for my RV mattress?

It depends. If you’re not happy with your mattress’s firmness level or want to add an extra layer of cushioning, you might be able to find a topper rather than replacing the whole thing. Of course, you’ll need to measure the mattress’s dimensions to ensure you’re getting the right topper, but you’ll also need to be aware of thickness. If your mattress slides or stows, the added thickness of a topper may be too much for the height of your storage compartment.

What is a cutout corner and how do I measure it?

Some RVs come with a platform that has four regular corners. In this case, measuring for a mattress should be pretty straightforward—just take the width and length (and height if applicable).

However, some RVs come with a cutout corner—a tiny, elevated room or cutout in the wall that requires the mattress to have at least one corner either rounded or cut off. Cut corner mattresses will have five sides and an asymmetrical shape, with one corner, either on the right or left, curved around or cut diagonally to fit the wall cutout. Measuring these can get a little more complicated.

In addition to width and length, you’ll need to measure the sides leading up to the cutout and the dimensions of the cutout itself. Measure the length from the top of the mattress all the way to where the angled or cut corner starts. Then, measure the length from the start of the cut corner to its end.

Finally, measure the width from the left or right of the mattress (depending on the side that’s cut out) from the start of the regularly shaped corner to the start of the cutout. That way, you’ll know the dimensions you need. Also, note the side the cut-out corner is on to make sure you’re getting the right mattress.

Bottom Line

RVing can be a great way to get out and see the country and the world, and with all the fun you plan to have on your road trip, you’re probably not too focused on your mattress. However, one of the key components of a great trip is a great night’s sleep.

If you have an uncomfortable mattress or one that’s ill-suited to the climate you’re spending most of your time in, it could put a real damper on your trip. So if you’re going to slash your road trip budget, make sure you’re doing it somewhere besides your RV mattress.