Can The World Please Agree On Bed Sizes?

Somewhere between Australia, the Netherlands and Spain, I stopped believing anything written on a bedding label unless it included the measurements. Single, double, queen and king all sound reassuringly clear, right up until you move countries and discover that they can mean something completely different.

Even when two beds are almost the same size, they may have different names, and even when they have the same name, they may not have the same dimensions. Buying sheets abroad should not require this much research, yet here we are.

I have lived in several countries, my husband and children were born in Australia, and we now split our time between the Netherlands and Spain, so I have accumulated a fairly ridiculous collection of bedding problems. Some duvet covers fit one house but not another, some fitted sheets fit in width but not in length, and some beds seem to exist in sizes that no shop is particularly interested in supporting.

I have learned to keep a note of mattress measurements on my phone because asking for a king means very little once you cross a border. Centimetres are the only part of the system I still trust.

A King Is Not Always A King

In Australia, a king mattress is different from the king I sleep on in the Netherlands. Move to America and you'll find another king again, along with a California king just to make sure nobody gets too comfortable. The names suggest a tidy progression, but every country seems to have interpreted them in its own way.

Queen is just as confusing. It's one of those names that sounds universal until you start looking a little closer. Move between countries and you'll quickly discover that a queen isn't necessarily the same size everywhere, and neither is a king.

Even within Europe, retailers don't always agree on what those names should refer to. In the Netherlands, you're often better off shopping by the measurements than by the label, because the label can mean different things depending on where you're buying it.

Then there is the Dutch lits-jumeaux, which sounds wonderfully French but is perfectly normal here. Rather than describing one universally recognised bed size, it generally refers to a double bed made up of two single mattresses. It makes perfect sense once you know what it means, but if you're new to the Dutch bedding world, it's just one more term to add to the growing list of names that don't quite translate.

Why Is One Bed Called A Twin?

American terminology adds another layer because a single bed is called a twin. That has always sounded wrong to me because a twin is, by definition, one of two, yet you can walk into an American shop and buy one twin mattress without anyone finding the wording odd. The name comes from pairs of matching single beds, particularly in hotels and guest rooms, where they were known as twin beds. Over time, the name became attached to each individual mattress, so one bed is now a twin even when its matching partner is nowhere to be seen.

America also has the Twin XL, which is the same width as a regular twin but longer, and then there's the Full, which most of the rest of the world would probably just call a double. The terminology sounds familiar enough that you assume you understand it, which is where the trouble starts. You only discover the difference after buying something that is close, but not close enough to fit properly.

The King Single Was Brilliant

When our son was small, we bought him a king single bed in Australia. It was wider than a normal single without taking up the room of a double and, to this day, I still think it's one of the best bed sizes ever invented. It never felt unusual in Australia because king singles are a perfectly normal option there, so it wasn't until we moved away that I realised it wasn't quite such a universal thing.

Once we left Australia, it became another set of measurements to remember rather than a name I could rely on. The bed itself made complete sense, but the name only really made sense within the Australian system. That is fairly typical of bed sizes in general. Entirely normal in one country and strangely specific in another.

My Australian Double Doonas On Dutch Single Beds

When the children were born in Australia, I deliberately bought double doonas for their single beds because I wanted a generous overhang on both sides. I liked the way it looked, the covers stayed on better, and nobody woke up because the entire doona had shifted to one side during the night. It was not a sizing mistake or a desperate workaround. It was a choice that worked very well until we moved countries and discovered that replacing the covers was no longer simple.

Dutch duvet sizes do not line up neatly with Australian doona sizes, and the double size I had chosen for those single beds is not a particularly common equivalent in the Netherlands. A Dutch double duvet certainly exists, but the proportions and standard sizes are different enough that I cannot just grab a cover and assume it will fit.

I still end up buying double doona covers in Australia because they are made for the doonas we already own. It sounds unnecessarily complicated because it is unnecessarily complicated.

Spain Came With Four Bedrooms And Four Bed Sizes

Our house in Spain was furnished when we bought it, with four bedrooms and four completely different mattress sizes. I might have understood a mix of singles, doubles and perhaps one larger bed, but some of the measurements felt almost custom-made. One mattress is 130 by 190 centimetres, which is neither a comfortable single nor a particularly generous double. It is just unusual enough to make fitted-sheet shopping irritating every time.

Spanish beds also have a habit of being 190 centimetres long, especially in older homes and furnished properties. At 180 centimetres, I am not unusually tall by Dutch standards, although even in Australia I was taller than many women. In Spain, however, I regularly feel enormous, and those missing ten centimetres suddenly matter a great deal more. A 200-centimetre mattress gives enough room for a pillow and for your feet to remain on the bed, which does not feel like an extravagant request.

Duvets Have Their Own Set Of Rules

Mattress sizes are only half the problem because duvets do not always follow the same system. A double bed does not automatically mean a double duvet, particularly when some countries prefer a wider overhang and others barely allow the cover to reach the sides.

In the Netherlands, couples often use two separate single duvets on one bed, which does make practical sense when one person is always hot and the other is always cold. My husband would happily sleep under something barely warmer than a sheet, while I am usually considering another layer, so we did try it for a while.

I never really warmed to it. The single duvets felt narrow after years of sleeping under one generous cover, and they were almost impossible to make look good on the bed. No matter how neatly I folded or arranged them, the result always looked more functional than inviting. Different temperatures may have made sense in theory, but I still preferred one large duvet and the occasional disagreement over how warm it should be.

Fitted sheets are less forgiving because being a few centimetres out can be enough to make them useless. A flat sheet can be folded, tucked or persuaded into submission, but a fitted sheet either reaches the corners or it does not.

Mattress depth adds another complication, especially now that thicker mattresses and toppers are common. Width, length and depth all need to be right, which makes the comforting word "king" on the packet almost decorative.

I No Longer Shop By Name

I now measure every bed, write the dimensions down and check the label properly before buying anything. I do not assume that a king is a king, that a double is wide enough for two people, or that a single duvet will look remotely generous on a single bed.

The terminology may be useful within one country, but it falls apart as soon as you compare systems. A number is less charming than queen or lits-jumeaux, but at least it tells the truth.

There is probably a sensible historical reason for every variation, although knowing that does not make shopping any easier. Homes were built differently, manufacturers developed their own standards and each country settled into habits that made sense locally.

The result is that a completely ordinary purchase becomes oddly complicated for anyone who moves, travels or brings bedding home from abroad. I would settle for one simple improvement: put the dimensions in large print on the front, and leave the royal titles to the actual royals.