Rv mattress sizes: complete dimensions chart & how to measure

RV Mattress Sizes: Complete Dimensions Chart & How to Measure

RV mattress sizing is one of the few areas of the mattress world with no real standard. A "queen" in a travel trailer might be 60" × 74", 60" × 75", or a full 60" × 80" — and the difference determines whether your replacement fits or sits jammed against the wall with a six-inch gap at the foot. Household mattress dimensions are standardized; RV ones are not.

That single fact drives everything below. Measure your existing mattress or the bunk platform before you order anything. Do not trust the label, the owner's manual, or the previous owner. Here's the full picture.

Why RV mattress sizes differ from household sizes

Three reasons, all of them practical rather than arbitrary:

• Space is the binding constraint. A few inches shaved off a mattress can be the difference between a bedroom door that closes and one that doesn't. Manufacturers trim wherever they can.
• Weight matters. Every pound counts against a rig's cargo capacity, so RV mattresses tend to be thinner and lighter than household equivalents.
• No industry standard exists. Different coachbuilders use different specs, and specs change between model years within the same brand. Two identical-looking trailers from consecutive years can take different mattresses.

Common RV mattress sizes and dimensions

These are the sizes you'll encounter most often. Treat the numbers as the common ranges, not guarantees — variation between manufacturers is exactly the point of this article.

The two that trip people up most: short queen is not a queen (it's 5–6 inches shorter), and RV king is not a household king (it's 72" wide, matching a California king's width rather than a standard king's 76").

How to measure your RV bunk properly

Five minutes with a tape measure saves a return shipment. Do this before ordering:

1. Measure the platform, not the old mattress. Old foam compresses and shrinks at the edges. Pull the mattress out and measure the plywood or slat base it sits on, corner to corner.
2. Measure width and length at multiple points. RV bunk cutouts are frequently not square — a wheel well or a slide-out mechanism can narrow one end. Use the smallest measurement.
3. Check for corner cuts and radius edges. Many RV mattresses have one or two rounded or angled corners to clear a door swing or a wall curve. If yours does, you need a mattress cut to match, not a rectangle.
4. Measure your available height. Overhead cabinets, a slide-out ceiling, or a low bunk clearance can limit thickness. Most RV mattresses run 5–8 inches thick for good reason.
5. Check the entry path. Can the new mattress actually get through the RV door and around the corner into the bedroom? A compressed bed-in-a-box solves this problem neatly.

Can you use a regular household mattress in an RV?

Sometimes — if the numbers line up. A standard queen (60" × 80") will fit an RV queen bunk exactly. It will not fit a short queen bunk, where it'll be five inches too long.

Even when the footprint matches, weigh two practical issues. Household mattresses are usually thicker and heavier, which eats cargo capacity and can block a bedroom slide-out or make the bed hard to climb into. And a full-size household mattress won't have the corner cuts many RV bunks need. If your bunk is a plain rectangle in a full-size RV queen, a household mattress is a genuinely good upgrade in comfort. Otherwise, buy RV-specific.

Choosing the right type for RV life

Sizing is only half the decision. What the mattress is made of matters more in an RV than in a house:

• Memory foam is the most common RV choice — lightweight, ships compressed, conforms well at modest thicknesses. The tradeoff is heat retention, which matters in a metal box parked in the California sun.
• Gel or open-cell foam handles temperature better than standard memory foam and is worth the small premium for anyone camping in a warm climate.
• Latex is durable, breathable and naturally resistant to mold, but it's heavy — a real consideration when you're weight-limited.
• Innerspring RV mattresses exist and sleep cool, but tend to be heavier and noisier over rough road, and the coil units in cheap RV models are usually not great.

One RV-specific problem worth planning for: moisture under the mattress. A mattress sitting directly on a solid plywood platform in a humid or coastal environment can trap condensation and grow mold on the underside. Either use a slatted base, drill ventilation holes in the platform, or place a breathable mesh underlay beneath the mattress — and lift the mattress periodically to let it dry out.

The cheaper alternative: a topper

If your RV mattress is the right size but simply uncomfortable — which describes most factory RV mattresses — a topper is often the smarter buy. Factory mattresses are chosen on cost and weight, not comfort, and two or three inches of decent foam transforms them without any measuring risk or disposal hassle. Our mattress toppers work well for this, and we've covered the specifics in our guide to the best mattress toppers for RV and camping.

Size-specific guides

If you already know which size you need, these go deeper on each:

• Short queen mattress guide — the most common RV bedroom size
• RV twin mattresses — sizes, materials and fit
• RV full / double mattresses
• RV king mattresses
• What fits in your mobile home — layout-by-layout breakdown

For twin and full RV bunks, standard household sizes sometimes work — browse our twin and full size mattresses once you've confirmed your measurements.

Frequently asked questions

What size is an RV queen mattress?

It depends on your rig. A true RV queen is 60" × 80", identical to a household queen. A short queen — far more common in travel trailers — is 60" × 74" or 60" × 75". Measure your platform; the label on the old mattress is not reliable.

What are the dimensions of an RV king mattress?

Usually 72" × 80" or 72" × 84", found in larger Class A coaches and luxury fifth wheels. Note that this is narrower than a household king (76" wide) — the width matches a California king instead. A short king variant at 72" × 75" also exists.

Are RV mattress sizes different from regular mattress sizes?

Yes, in most cases. RV mattresses are commonly shorter, occasionally narrower, and almost always thinner than their household counterparts. There's also no enforced standard, so dimensions vary between manufacturers and even between model years of the same trailer.

Can you use a regular queen mattress in an RV?

Only if your bunk is sized for a full 60" × 80" RV queen. If it's a short queen, a household queen will be about five inches too long. Also check thickness — a 12" household mattress may block a slide-out or make the bed awkward to get into.

How thick is an RV mattress?

Most run 5–8 inches. Anything thicker starts to compete with overhead cabinet clearance and adds weight you may not have to spare. If you want more cushioning without more bulk, a thin topper on a firm base is usually the better route.

How do you prevent mold under an RV mattress?

Airflow. A mattress on a sealed plywood platform traps condensation underneath. Use a slatted base, add ventilation holes to the platform, or lay a breathable mesh underlay beneath the mattress. Lifting the mattress every few weeks to let the platform dry also helps, especially in coastal or humid conditions.

Need help sizing it?

Bring your measurements into any of our five Los Angeles showrooms and we'll help you work out what fits — including whether a topper solves the problem more cheaply than a replacement. If you're starting from scratch on comfort rather than dimensions, our sleep quiz narrows it down in eight questions. Same-day delivery covers most of LA, and every mattress comes with a free 120-night comfort guarantee.