What Mattress Works on an RV Murphy Bed?

On this page (7 sections)

1. What matters most when choosing an RV mattress for a Murphy bed?
2. How do you measure an RV Murphy bed?
3. Does mattress thickness affect whether the bed closes?
4. Can a tri-fold mattress work on an RV Murphy bed?
5. What if your Murphy bed uses a short queen or short king?
6. How can you check the fold and hold-down system?
7. Which RV Murphy bed mattress should you choose?

An RV mattress for a Murphy bed must match the platform and fold without obstructing the frame. Measure the bed, check its thickness limit, and make sure the mattress can be secured before you choose one.

RV Murphy beds vary, so the label on the mattress alone isn't enough. A short queen or full size may sound right, but a few inches of difference can stop the bed from closing or leave gaps at the edges.

What matters most when choosing an RV mattress for a Murphy bed?

Fit, thickness, flexibility, and secure storage determine whether a mattress works on an RV Murphy bed. Check all four against your frame's instructions before comparing foam or comfort features.

Start with the flat platform's exact length and width. Measure around corners and cutouts, since some RV beds have shaped edges that a standard rectangle won't match.

Next, check the frame's maximum mattress thickness and weight guidance. The bed needs to fold with the mattress in place, and a thicker mattress can press against cabinets, straps, or the wall.

Finally, consider how the mattress behaves during the folding motion. A folding mattress can be easier to store, but its sections and folded shape still need to work with the bed's support and retention system.

How do you measure an RV Murphy bed?

Measure the platform while it's flat, then check clearance with the bed folded up. Write down length, width, thickness allowance, and any unusual corners or obstructions.

Use a tape measure across the sleeping surface, not the outer frame. Note whether the bed is rectangular, has rounded corners, or includes a cut corner that changes the usable area.

With the bed open, measure the available depth from the platform to the nearest obstruction. With it closed, check the space where the mattress will sit and how the frame holds it in place.

If the measurements point to a short queen, compare them with our guide to RV short queen mattresses for 60 x 74 in beds. If the shape is unusual, a custom RV mattress made to order may be a better fit.

Does mattress thickness affect whether the bed closes?

Yes, thickness can affect how a Murphy bed folds and latches. Follow the frame maker's limit and allow room for straps or other mattress retainers to work.

A 6 in mattress is still too thick if your frame has less clearance. Also check whether the published mattress depth includes a cover or any built-in layers that change its overall profile.

Don't force the bed closed against resistance. Stop and inspect the frame, mattress position, and nearby surfaces; repeated pressure can strain parts or damage the mattress.

What if a mattress fits the platform but not the folded space?

A mattress can match the platform's length and width and still prevent the bed from closing. Check the folded storage depth and whether the mattress must bend, compress, or stay flat during stowage.

For replacement planning across different camper beds, see our RV mattress replacement guide. It covers measuring the old mattress and matching a replacement to the bed.

Can a tri-fold mattress work on an RV Murphy bed?

A tri-fold mattress may work if the frame allows its flat dimensions, thickness, and folded sections. Confirm the bed's instructions before treating a portable folding mattress as a permanent replacement.

The CYMULA is a 6 in tri-fold with a flat size of 73 x 52 in. Its cover is removable and machine washable, and it has a non-slip bottom.

The Bynex is also a 6 in tri-fold measuring 73 x 52 in. It has a removable, machine-washable cover and a non-slip bottom.

These dimensions are close to a full mattress, but the fit still depends on your frame. Check the folded mattress against the bed's storage space, straps, and closing path.

What if your Murphy bed uses a short queen or short king?

Choose by measured dimensions rather than assuming a standard RV size will fit. RV beds can differ from household sizes, and even mattresses sold under the same size label may have different dimensions.

For a short queen Murphy bed, compare the platform with the common 60 x 74 in size and check the bed maker's thickness guidance. Our RV queen mattress size guide explains how RV queen dimensions can differ from a regular queen.

For a wider short king platform, the Inofia folding mattress measures 75 x 72 x 6 in flat and 25 x 72 x 18 in folded. It has a removable cover and non-slip bottom.

A 75 x 72 in mattress will not fit every short king platform. Measure carefully, especially if the bed has rounded corners or a different length.

How can you check the fold and hold-down system?

Confirm that the mattress can fold with the frame and stay secured when stored. Check the straps or retaining hardware and make sure no part gets pinched.

Follow the bed maker's instructions for loading and stowing the mattress. Keep hinges, latches, and moving arms clear, and don't rely on a non-slip bottom as a substitute for a retention system.

Before sleeping on a new setup, open and close the bed slowly while watching each edge. If the mattress shifts or presses into an obstruction, stop and reassess the fit.

Which RV Murphy bed mattress should you choose?

For an RV mattress for a Murphy bed, pick the option whose flat size, thickness, and fold match your measured frame. The CYMULA and Bynex are 73 x 52 x 6 in full-size tri-folds; the Inofia is a 75 x 72 x 6 in folding short king.

Choose among them only if those dimensions and folding shapes suit your platform and storage clearance. If no standard option matches the bed, compare measurements with a custom-made RV mattress before ordering.

Frequently asked questions

What kind of mattress works on an RV Murphy bed?

A mattress works on an RV Murphy bed when its dimensions match the platform and its thickness and flexibility suit the folding frame. Check the bed maker's guidance, then measure the platform, retention straps, and nearby clearances.

A tri-fold design may suit some frames, but confirm it can close safely.

Can you use a regular mattress on an RV Murphy bed?

Sometimes, if the mattress fits the platform and the frame is designed to fold with that thickness and weight. A conventional mattress may be too thick or stiff for some Murphy beds.

Check the frame instructions and test the closing motion carefully before using a replacement.

Is a tri-fold mattress a good choice for an RV Murphy bed?

A tri-fold mattress can be useful when the Murphy bed needs a folding mattress, but its folded sections, dimensions, and thickness must suit the frame. Measure both the flat sleeping platform and storage space.

Confirm the mattress stays secured when the bed moves.

How do you measure for an RV Murphy bed mattress?

Measure the platform's length and width, including any rounded corners or cutouts, then check the available depth when the bed is closed. Compare those measurements with the mattress dimensions and the frame maker's thickness limit.

Also check straps, hinges, and nearby cabinets for clearance.