If you have ever stripped an RV bed and gone looking for replacement sheets, you already know the problem. The label says queen. The mattress says queen. The sheets do not fit. They ride up at the foot, pull off the corner in the night, or bunch into a ridge exactly where your hip goes.
This is not bad luck, and it is not you measuring wrong. RV, camper, motorhome and caravan mattresses are built to fit a vehicle, not a bedroom. They are cut shorter, cut narrower, and very often cut at an angle to clear a wall or a wardrobe. Standard bedding was never designed for any of that.
This guide covers the sizes that catch people out, how to measure your own mattress properly, which fabrics survive life on the road, and what to do when your mattress is a shape that no size chart has ever heard of.
Why standard sheets do not fit an RV bed
There are two size traps, and between them they account for most of the frustration.
The first is the short queen. It is 60 inches wide, exactly like a residential queen, but only 74 to 75 inches long instead of 80. A queen fitted sheet will go on — and then creep off the bottom corners every night, because there is five or six inches of elastic with nothing to hold.
The second is the RV king. At 72 inches wide it is four inches narrower than the 76-inch residential king. Standard king sheets do go on, but they billow at the sides and never sit flat.
Add a cut corner to either of those and no off-the-shelf sheet in any shop will follow the outline.
RV mattress sizes: the full chart
Use this as a starting point for identifying what you have — but always confirm with a tape measure, because manufacturers vary and depth is never standard.
Two entries deserve a second look. RV Three-Quarter at 48 inches wide has no residential equivalent at all, so there is simply nothing to buy off the shelf. And RV Bunk covers everything from 28 to 35 inches wide — bunks are the least standardised beds in the entire vehicle, and two bunks in the same RV are not always the same size.
Cut corners, radiused corners and shapes that fit nothing
Rectangular RV mattresses are the easy case. Many are not rectangular at all:
- Cut corners — one or two corners sliced at an angle to clear a wall, a wheel arch or a wardrobe door
- Radiused corners — corners rounded rather than angled, following the curve of the bodywork
- Tapered foot ends — the mattress narrows towards the bottom to fit a slide-out or a corridor
- V-berths and island beds — common in caravans and in boats, where the bed sits proud of the walls on three sides
A fitted sheet made for a rectangle cannot follow any of these outlines. The excess fabric has to go somewhere, and it goes into a fold under your back.
This is the whole reason our fitted sheets for boats and RVs are built around shape first. There are 14 predefined mattress shapes covering the most common RV and boat layouts. If none of them matches yours, you can upload a simple sketch of your mattress with the measurements written on it — the tool reads the drawing, you confirm the dimensions, and the price is calculated automatically. No email thread, no waiting for a quote.
How to measure an RV or camper mattress
Accurate measurements are the whole job. Get these right and everything else follows.
Three rules matter more than the rest:
- Measure the mattress, not an old sheet and not the bed frame. Sheets shrink and stretch; frames include trim that the mattress does not.
- Include your topper in the depth if you want it covered. A three-inch topper turns an eight-inch mattress into an eleven-inch one, and a sheet cut for eight inches will not reach.
- Note which corner is cut. Head or foot, left or right, seen from standing at the foot of the bed. A sheet with the angle on the wrong side is as useless as no sheet at all.
Caravans and motorhomes in the UK and Europe
The vehicles are the same idea; the vocabulary and the units are not. In the UK and across Europe the bed is usually described by its position rather than by a size name — and measured in centimetres.
- Island bed — accessible from both sides, typically up to about 137 × 192 cm for a double, with larger versions running to roughly 157 × 205 cm
- French bed — a fixed double with one corner cut away at an angle, almost always requiring a left-cut or right-cut sheet
- Transverse bed — running across the width of the vehicle, usually shorter than a domestic double
- Fixed singles and bunks — commonly around 76 to 91 cm wide by 191 cm long
- Drop-down and over-cab beds — the most variable of all, and the most likely to need a sketch
The important point for European owners is the same as for American ones: the French bed’s angled corner and the island bed’s rounded corners are exactly the shapes that standard bedding cannot handle. Measure in centimetres, note the cut, and the process is identical.
Which fabric works best in an RV
An RV is a harder environment for bedding than a house. Temperatures swing further, humidity is higher in a small sealed space, and laundry is not always convenient. Natural cotton handles all three better than synthetics, which trap heat and hold odour.
The choice comes down to weave:
- Cotton percale — a crisp, matte, closely woven fabric that feels cool against the skin and breathes well. The better choice for hot climates, summer touring and anyone who sleeps warm.
- Cotton sateen — a smoother, softer surface with a subtle sheen and more drape. Warmer to sleep under, and the better choice for cooler seasons or for a more luxurious feel.
If you are unsure which suits you, our comparison of percale versus cotton sateen goes through the difference in detail.
Our fitted sheets are available in cotton percale from 200 to 800 thread count and cotton sateen from 300 to 1000 thread count. Apart from Percale 200 TC, every fabric is woven and dyed in Italy, and all of them are tested for shrinkage, colourfastness and consistency — which matters more than usual when a sheet has been cut to a shape and cannot simply be replaced with a standard size.
One detail that makes the difference: full-perimeter elastic
Most fitted sheets have elastic only at the corners. On a compact RV mattress, on a bunk, or on any bed you climb onto from one side, that is not enough — the sheet works loose from the open edge first.
Elastic all the way around the perimeter holds the sheet under the mattress along its whole edge. On an unusual shape, where the fabric has to follow angles and curves, it is the difference between a sheet that stays put for a week of travelling and one you remake every morning.
Frequently asked questions
Will a regular queen fitted sheet fit an RV short queen?
It will go on, but it will not stay on. A residential queen sheet is cut for an 80-inch mattress; a short queen is 74 to 75 inches. The extra five or six inches of slack pulls the corners off during the night.
What if my mattress has a cut corner?
Choose the matching shape from the 14 predefined options, or upload a sketch with your measurements. The sheet is then cut to that outline, with the angle on the correct side.
Do I need to request a quote for a custom size?
No. Pricing is calculated as you enter your dimensions, for any size and any shape, including sketched ones.
Can I get sheets for an RV bunk?
Yes. Bunks are among the most common custom requests precisely because they are the least standardised. Measure each bunk separately — they are not always identical.
Does the same apply to boats?
Very much so. Marine mattresses have the same problem in a more extreme form. Our yacht and boat bedding guide covers V-berths and marine layouts specifically.
Get fitted sheets cut to your RV mattress
Choose your mattress shape or upload a sketch, enter your measurements, pick your fabric and colour, and your price appears instantly. No quote requests, no waiting.
