Best mattresses for rvs and camping: sizes, thickness and what actually fits

Almost every RV leaves the factory with a mattress built to a price, not to a person. Three inches of low-density foam on a plywood deck is normal, and it is the single most common complaint from people who otherwise love their rig. The good news is that replacing it is one of the cheapest upgrades you can make. The catch is that RV beds are not standard sizes, and buying the wrong one is an expensive mistake to discover after delivery.

This guide covers the sizes, the thickness limits nobody warns you about, which materials survive road life, and how to buy without guessing.

RV sleeping and camping are different problems

In an RV you are replacing a real bed. You want home-mattress comfort and durability. What constrains you is dimensions, overhead clearance and weight, since every pound rides with you.

Tent and cabin camping is about packing down small and setting up fast. That is a pad or an air mattress, not a mattress purchase.

This guide is mostly about the first case, because that is where spending real money pays off. If you are outfitting a truck bed or tent instead, our guide to RV and camping mattress toppers is the better starting point.

RV mattress sizes

This is where most people go wrong. RV sizes share names with home sizes but not dimensions. An RV queen is not a queen.

Two things to hold on to. A standard home queen is 60 by 80 inches, so it is five inches longer than an RV short queen and will hang off the platform or jam against the wall. And an RV king is narrower than a home king (76 inches), so home king sheets will be loose and a home king mattress will not fit.

Measure your platform anyway. RV dimensions vary by manufacturer, model and production year, and the figures above are typical rather than universal. Measure length, width, and note any cut corners or angled ends, which are common in slide-out bedrooms and bunk spaces. Our RV mattress sizes guide breaks the numbers down further, and short queen mattresses covers the most common size on its own.

Thickness: the constraint people forget

At home, mattress thickness is preference. In an RV it decides whether you can sit up in bed, whether the bedroom slide still closes, and whether your sheets reach.

Before you buy, measure from the platform surface to the nearest thing above it: ceiling, cabinet, or the underside of an overhead bunk. Subtract your intended mattress thickness. Under about 24 inches of remaining clearance starts to feel cramped when you sit up. Under 18 inches means go thinner.

Also check a lift-up bed. Many RV beds hinge upward over a storage bay, and a mattress that is too thick or too stiff will not fold, or will make the gas struts fight you every time.

Which materials survive road life

Memory foam

The default choice, and usually the right one. No springs means nothing to shift, squeak or fatigue as the rig flexes over a few thousand miles of road. It is light relative to its comfort, it handles a lift-up bed well, and it comes in every RV size. Look for a gel-infused or open-cell version if you camp anywhere warm, because a small, poorly ventilated bedroom plus dense foam traps heat. Browse memory foam mattresses for the range.

Best for: most RV owners, couples, and anyone with pressure point complaints.

Latex

The durability pick. Latex is naturally breathable, resistant to dust mites and mold, and it holds its shape longer than foam. That mold resistance is worth more in an RV than people realize, since condensation is a chronic problem in a small sealed space parked in cold, damp weather. The downsides are weight and price, both of which matter more in a vehicle than at home. See our luxury mattresses for latex builds.

Best for: full-timers, allergy sufferers, hot sleepers, people keeping the rig a long time.

Hybrid and pocket coil

The closest thing to your bed at home: pocketed coils under a foam comfort layer, with better airflow and more supportive lift than all-foam. Use pocketed coils rather than a connected coil unit, because individually wrapped springs stay quieter as the vehicle moves. The limits are thickness and weight, since most hybrids start around 10 to 12 inches. Check clearance first. Our hybrid mattresses collection shows the profiles available.

Best for: RV owners with headroom who want a home-quality sleep.

Traditional innerspring

Light, breathable and the least expensive route to a supportive bed, which makes it a sensible choice for a bunk, a guest bed or a rig you use a few weekends a year. The risk is noise: connected coils in a vibrating vehicle eventually develop squeaks. Choose pocketed coils over a Bonnell unit if you go this way. See innerspring mattresses.

Best for: budget builds, bunks, occasional use.

What to look for when you shop

• Measure three times. Length, width, thickness clearance. Photograph any cut corners or angled ends.
• Check how the bed opens. Lift-up storage beds need a mattress flexible enough to hinge and light enough that the struts still work.
• Weigh the decision literally. A thick latex or hybrid mattress can add a meaningful amount of weight. If you run near your cargo capacity, that matters.
• Buy RV sheets, not home sheets. Short queen sheets are a separate product. Standard queen sheets will bunch and pull off the corners.
• Plan for condensation. Air can circulate under a mattress sitting on a solid plywood deck only if you help it. A breathable protector, and lifting the mattress to air out every few weeks, prevents mold on the underside.
• Stop it sliding. A non-slip pad between mattress and platform solves the most common annoyance in a moving vehicle. See how to keep a mattress from sliding.
• Consider a topper instead. If the factory mattress is firm but intact, a good topper is a fraction of the cost of replacement. Browse mattress toppers.

What we stock, and custom sizes

LA Mattress Store carries RV-friendly profiles across several brands we actually stock, including Spring Air, Eclipse, Eastman House, Diamond, Southerland and Restonic on the value and mid-range side, Harvest Green and Savvy Rest for natural latex, and Helix and Brooklyn Bedding for pocket coil hybrids. Price tiers run from entry-level innerspring through premium latex, so there is a sensible answer at most budgets.

If your platform is a non-standard size, or has cut corners, we can cut a mattress to your exact dimensions. Contact us with your measurements for a quote, or bring them into one of our five Los Angeles showrooms. Delivery details are on our delivery page.

Frequently asked questions

What size is an RV queen mattress?

An RV short queen is typically 60 by 75 inches, five inches shorter than a standard home queen at 60 by 80. Some manufacturers use 60 by 74 or 60 by 76, so measure rather than assume. Buy sheets labeled RV queen or short queen, since standard queen sheets will not fit properly.

What size is an RV king mattress?

An RV king is usually 72 by 80 inches, though some builds use 72 by 75. Either way it is narrower than a standard home king, which is 76 by 80. A home king will not fit an RV king platform, and home king sheets will be loose on an RV king mattress.

Are RV mattress sizes different from regular mattress sizes?

Yes, and the names are deliberately misleading. RV sizes are generally shorter, narrower, or both, because the bed has to fit inside a vehicle. The only size that commonly matches between the two worlds is the twin XL, and even that is not guaranteed. Always go by your tape measure, not by the size name printed on the old mattress.

Can you use a regular queen mattress in an RV?

Only if your platform is genuinely 80 inches long, which is uncommon. In most rigs a standard queen will overhang the foot of the bed by five inches, block a drawer or a door, or prevent the bedroom slide from closing. Measure the platform first. If it is 75 inches, you need a short queen.

How do I make my RV mattress more comfortable?

In order of cost: add a topper, which fixes a firm but structurally sound mattress for a fraction of a replacement; add a proper foundation layer if the mattress sits directly on plywood, since a thin base sleeps much harder on a rigid deck; or replace the mattress. Most factory RV mattresses are thin low-density foam, and no amount of layering fully compensates once they have compressed.

Where can I buy an RV mattress?

Anywhere that sells RV or short queen sizes, but buying in person is worth more here than usual, because you can check thickness and flexibility against your actual clearance and lift-up bed. We stock RV-appropriate sizes and profiles in all five of our Los Angeles showrooms and cut custom sizes for non-standard platforms.

How thick should an RV mattress be?

Most RV master bedrooms are best served by 9 to 10 inches. Bunks, dinettes and low-clearance spaces usually need 6 to 8. Go to 11 or 12 inches only if you have measured your overhead clearance and confirmed the bed still functions, including any slide or lift mechanism.

Get the size right the first time

Bring your platform measurements to any of our five Los Angeles showrooms and we will match them to a mattress that fits, or cut one that does. Same-day delivery is available across the metro on most in-stock models, and every mattress comes with our free 120-night comfort guarantee. Not sure what feel you want? Start with our sleep quiz.