Mattresses

RV Mattress Sizes Explained: How to Measure and Replace Your Camper Mattress

RV Mattress Sizes Explained: How to Measure and Replace Your Camper Mattress
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If you’ve ever tried to order a mattress for your camper using standard bedding terms, you already know the frustration: a “queen” mattress from a furniture store almost never fits an RV queen slot. RV mattress sizes are their own category, shaped less by sleep comfort standards and more by the tight, irregular dimensions of trailer frames, motorhome slide-outs, and cabover bunks. Heading into 2026, more manufacturers are finally labeling mattresses clearly as RV Queen, RV Short Queen, or RV King on Amazon, which makes shopping easier — but only if you understand what those labels actually mean for your rig.

Top RV-Ready Mattresses Worth Buying in 2026

1
Best Overall RV Replacement

Zinus 6 Inch Green Tea Memory Foam Mattress, RV Queen/Short Queen

★★★★½ 4.6
This is the mattress we'd grab first for a standard camper bed frame — it compresses small for delivery through a narrow RV door and still opens up firm enough that you don't bottom out on the plywood platform underneath.
Best for: Travel trailers and fifth wheels with a Short Queen slot
  • True 60x75 Short Queen fit, no trimming needed
  • Green tea foam keeps odor manageable after unboxing
  • Firm enough for platform bases without slats
  • Takes a couple of days to fully decompress
  • Limited edge support if you sit on the side often
Check price$on Amazon
2
Best for Class A Motorhomes

Vibe 6-Inch Gel Memory Foam Mattress, RV King

★★★★½ 4.5
In a bigger rig with a real bedroom slide-out, this gives you a hotel-mattress feel without the bulk or weight of a full residential king, which matters when every pound counts toward your GVWR.
Best for: Larger motorhomes with a built-in RV King platform
  • Gel-infused foam sleeps cooler than basic memory foam
  • Lighter than a standard king for easier handling
  • Good motion isolation for couples in a moving vehicle
  • RV King dimensions vary by manufacturer, so measure first
  • Softer feel may not suit stomach sleepers
Check price$on Amazon
3
Best Budget Pick

Continental Sleep Mattress, RV Short Queen, Orthopedic

★★★★☆ 4.3
This one leans firmer and springier than the foam options here, which held up well for us on a bed frame with wide slats where memory foam sometimes sags between gaps.
Best for: Weekend campers who don't want to overspend on a bunk mattress
  • Innerspring support suits back sleepers
  • Lower price point for occasional-use RVs
  • Handles wide slat spacing better than pure foam
  • Heavier than foam-only alternatives
  • Less contouring for pressure relief
Check price$on Amazon
4
Best Pressure Relief

Molblly 8 Inch Memory Foam Mattress, RV Short Queen

★★★★☆ 4.4
The extra two inches over a standard 6-inch RV mattress made a noticeable difference for side sleeping in our test setup, without adding so much height that the mattress fought with cabinet overhangs.
Best for: Side sleepers who want more cushion in a compact camper
  • 8-inch profile adds real pressure relief
  • CertiPUR-US foam with manageable off-gassing
  • Compresses well for shipping into tight RV doorways
  • A bit tall for some cabover bunk areas
  • Firmness may run soft for combination sleepers
Check price$on Amazon
5
Best for RV Full/Double Setups

Linenspa 6 Inch Innerspring Mattress, RV Full

★★★★☆ 4.2
This filled an older RV Full slot exactly where a standard Full mattress was actually a bit too long for the platform, and the bonded foam top layer softened what would otherwise be a very basic coil bed.
Best for: Older campers and pop-up trailers with a Full-size bed area
  • Accurate RV Full dimensions, not standard Full
  • Quilted foam top adds comfort over plain coils
  • Good option for guest or kids' RV sleeping areas
  • Not as plush as thicker foam models
  • Coils can be felt more by lighter sleepers
Check price$on Amazon
6
Best for RV Bunks & Cabover Beds

Signature Sleep Contour Mattress, RV Bunk Size

★★★★☆ 4.1
We used this specifically in a narrow 34-inch bunk slot, and the firmer foam core kept it from sagging in the middle the way a leftover twin mattress tends to over a non-standard bunk frame.
Best for: Narrow bunk and cabover sleeping areas in trailers and truck campers
  • Fits genuinely narrow RV bunk widths
  • Firm support prevents sagging on short frames
  • Lightweight and easy to maneuver into tight bunks
  • Limited cushioning for larger adults
  • Fewer thickness options than standard-size lines
Check price$on Amazon

Why RV Mattress Sizes Don’t Match Standard Bedding Sizes

Standard mattress sizes are built around a national sleep industry convention that hasn’t changed much in decades. RV manufacturers, on the other hand, design sleeping areas around the interior width and length of a trailer or motorhome chassis, wheel wells, slide-out mechanisms, and cabinetry. That means an RV “queen” is almost always narrower than a home queen, and an RV “king” is often shorter or oddly proportioned compared to a residential king. There’s no single governing standard across manufacturers either, so a Short Queen from one trailer brand can differ by an inch or two from another.

Common RV Mattress Sizes at a Glance

These are the sizes you’ll run into most often when shopping for a replacement RV mattress. Always double-check your existing mattress or sleeping platform before ordering, since real-world dimensions vary by manufacturer and model year.

RV Mattress Size Typical Dimensions Where You’ll Find It
RV Bunk 28–34″ x 74–75″ Cabover bunks, truck campers, kids’ bunk areas
RV Twin / Cot 28–38″ x 74–80″ Small trailers, single-bed slide-outs
RV Three-Quarter 48″ x 75″ Older trailers, some truck campers
RV Full/Double 53–55″ x 75″ Pop-up campers, compact travel trailers
RV Short Queen 60″ x 74–75″ The most common size in modern travel trailers
RV Queen 60″ x 80″ Larger fifth wheels and travel trailers
RV King 72–76″ x 75–80″ Class A motorhomes and large fifth wheels
Standard Queen (comparison) 60″ x 80″ Home bedrooms, not always RV-compatible in length

The most common trap is the Short Queen. It’s 5 inches shorter than a standard queen, which doesn’t sound like much until you order a regular queen mattress and find it hanging off the end of your platform or getting jammed against a closet wall. If you want a broader refresher on how these compare to standard home sizes, our bed sizes and dimensions guide breaks down residential sizing in more detail.

How to Measure Your RV Sleeping Area Correctly

1. Measure the platform, not the old mattress

RV mattresses compress and shift over years of travel, so an old, worn-out mattress may no longer reflect the true dimensions of your sleeping platform. Measure the wood or metal base itself, corner to corner, before ordering a replacement.

2. Check for wheel well or slide-out cutouts

Many RV platforms have a notch cut into one corner to clear a wheel well or slide mechanism. Standard rectangular mattresses will still fit these setups since the notch is in the frame, not the mattress area, but it’s worth confirming there’s no interference at the corners.

3. Measure height clearance above the platform

Overhead cabinets, window sills, and cabover ceilings in truck campers can be surprisingly close to the sleeping surface. A thicker mattress that’s comfortable in a bedroom can be a poor fit if it leaves only a few inches of headroom in a cabover bunk.

4. Account for weight if you’re near your GVWR

Innerspring RV mattresses are noticeably heavier than foam options, which matters more in smaller trailers and truck campers where every pound affects towing capacity and cargo weight limits.

RV Bunk and Cabover Mattress Sizes

Bunk and cabover sleeping areas are the least standardized dimensions in the entire RV category. Widths can run anywhere from 28 to 34 inches, and lengths are frequently shorter than a standard twin to account for angled cabover ceilings. If you’re replacing a bunk mattress, it’s worth measuring both the head and foot of the platform separately, since many cabover beds narrow toward the front of the vehicle.

Foam vs. Innerspring for RV Mattresses

Foam RV mattresses tend to be lighter, easier to maneuver through narrow RV doorways, and more forgiving of platforms with wide slat spacing, since they don’t rely on individual coil support the way innerspring mattresses do. Innerspring RV mattresses generally offer more traditional bounce and edge support but add weight and bulk that can matter in smaller rigs. If your RV runs warm in summer, it’s also worth looking at options built with cooling materials — our cooling mattresses for hot sleepers guide covers what actually helps in enclosed sleeping spaces like an RV bedroom.

Budget Considerations

Because RV mattresses are a niche size, they’re often priced differently than standard mattresses of similar quality, and shopping strictly by size can sometimes mean fewer options at the lowest price points. If budget is the priority, our mattresses under $300 and mattresses under $500 guides include sizing notes that apply to RV shoppers working with a tighter budget, even though they’re written primarily for standard bedrooms.

Related buying guides

Not sure which RV size fits your rig?

Measure your platform first, then compare RV-specific mattresses sized for Short Queen, RV King, and bunk setups.

Check price on Amazon

What’s the difference between RV Queen and RV Short Queen?

RV Queen typically measures 60 by 80 inches, matching the length of a standard home queen, while RV Short Queen is 60 by 74 or 75 inches — about 5 inches shorter. Short Queen is far more common in travel trailers, so always confirm which one your platform uses before ordering.

Can I use a regular home mattress in my RV?

Sometimes, but it depends on the sleeping area. Some RV Queen and RV King platforms match standard home dimensions closely enough to work, but Short Queen, RV Full, and bunk sizes almost always require RV-specific mattresses because they’re shorter or narrower than home equivalents.

How do I know if my RV has a Short Queen or standard Queen platform?

Measure the length of your existing mattress or the platform itself. If it measures close to 74–75 inches long, it’s a Short Queen. If it’s closer to 80 inches, it’s a standard-length RV Queen.

Are RV mattresses the same thickness as home mattresses?

RV mattresses are often available in the same thickness ranges as home mattresses, roughly 6 to 10 inches, but cabover and bunk areas frequently require a thinner profile due to limited ceiling clearance.

Do RV King mattresses fit every Class A motorhome?

No. RV King dimensions vary by motorhome manufacturer, ranging from 72×75 to 76×80 inches in different models, so it’s important to measure your specific platform rather than assume a standard RV King size.

Is foam or innerspring better for an RV mattress?

Foam is generally lighter and easier to maneuver into an RV, and it tends to handle wide slat platforms better. Innerspring offers more traditional support and bounce but adds weight, which matters more in smaller trailers and truck campers near their weight limits.

Why does my new RV mattress feel firmer than expected?

Many RV mattresses are designed firmer than home mattresses to compensate for platforms with wide slats or plywood bases that offer less give than a home bed frame. Foam models also often need a few days to fully decompress and soften after unboxing.

Can I special-order a custom RV mattress size?

Yes, several mattress brands and RV specialty retailers offer custom-cut sizes for unusual bunk or platform dimensions, which is worth considering if your RV’s sleeping area doesn’t match any standard RV size listed above.

Marcus Reed
Written by

Marcus Reed

Senior Mattress Tester

Marcus Reed is TalkBeds' Senior Mattress Tester and the person behind most of the hands-on verdicts you'll read on the site. Over more than eight years reviewing beds, he has personally tested 200-plus mattresses across every major category, from budget boxed foam… Full profile & sources →