How Big Is Super King Size Bed?

The Size, Stated Plainly

A super king size bed measures 180cm wide by 200cm long in UK sizing, which is 6ft by 6ft 6in. It is the largest standard bed size available in this country, and it is precisely twice the width of a single bed.

Add the frame and the real footprint grows. Most super king frames measure between 188cm and 205cm wide overall, and between 205cm and 215cm long once headboard depth is included. Those are the numbers that determine whether the bed suits your room.

Putting the Width in Context

Numbers on a page rarely convey scale, so here are some comparisons that do. Two adults on a super king have 90cm each, which is the full width of a standard single bed per person. On a king they have 75cm each. On a double they have 67.5cm each.

Another way to picture it: a super king is 45cm wider than a double. That is roughly the width of a bedside cabinet added to the bed. In a room that was previously furnished around a double, a super king will absorb the space where a chest of drawers or a chair used to sit.

Length is unchanged from a king at 200cm. If your issue is height rather than shoulder room, a super king solves nothing that a king does not already solve, and you should look at extra long frames instead.

The Room a Super King Actually Needs

For the bed to feel like an asset rather than an obstacle, allow around 70cm of clear floor on each side you use and at the foot. With a frame at roughly 195cm wide, that means a room of about 340cm across and 350cm deep.

You can compress to 60cm walkways and a room around 315cm wide, which still functions. Below about 300cm the bed starts to dictate the room, walkways become awkward, and wardrobe doors begin to clash with the bed. In that situation a king delivers a better bedroom despite being smaller.

Two other measurements deserve attention. Ceiling height affects how a large bed reads in a space, and a tall headboard under a low ceiling can feel oppressive: lower profile frames sit better. And in loft rooms, measure the room width at 60cm above floor level, since sloping ceilings can remove usable width exactly where the mattress sits.

Getting One Into the House

The frame is rarely the problem. Super king frames arrive flat packed, with the longest carton usually holding the side rails at just over 200cm. That length is what struggles on tight stair turns, so measure your narrowest point before ordering.

The mattress is the genuine obstacle. A one piece pocket sprung super king mattress is 180cm wide, cannot be folded, and is heavy. Many UK staircases with a half landing simply will not take one. The solution is a zip and link mattress, which comes as two 90cm halves that join together. Each half handles like a single mattress, and as a bonus you can specify a different firmness on each side.

Rolled and vacuum packed foam and hybrid super king mattresses are another route, arriving in a manageable box and expanding to full size in the room. Allow a day or two for them to reach full height before judging the feel.

What the Base Must Provide

Supporting a 180cm span properly is an engineering requirement, not a marketing feature. Look for a central support rail running head to foot with its own legs to the floor, and on some designs a second rail. Without adequate central support the base flexes and the mattress develops a valley down the middle.

Slats should be closely spaced, with gaps no wider than about 7cm, and sprung beech slats give a small amount of flex that suits pocket sprung mattresses well. Count the legs too: a super king base should have legs at the corners and at least one pair under the central rail.

Our modern super king size wooden beds UK sale range lists slat and support details, and the same information is available across our upholstered designs so you can compare properly.

Storage With a Bed This Size

A super king consumes floor space that would otherwise hold storage, so the under bed volume becomes especially valuable. An ottoman super king base opens to reveal the entire 180cm by 200cm footprint, which holds a considerable amount of spare bedding, luggage and out of season clothing.

Two checks before choosing one. The lid at this size is heavy and needs strong gas struts, and you need enough clearance above the bed for the lid to open fully, which rules it out under a low sloping ceiling or a pendant light hanging close.

A bench or ottoman at the foot of the bed suits the scale and adds useful surface without much floor cost. Our modern blanket box UK sale options work well at the foot of a large bed for bedding that is not in use.

For the rest of the room, plan wardrobes around the remaining wall run rather than hoping. Sliding doors are frequently the answer beside a super king because they need no clearance in front, and our modern sliding wardrobes UK range covers a range of widths.

Dressing a Super King Properly

Bedding at this size has its own dimensions. A super king duvet is around 260cm by 220cm. Using a king duvet on a super king mattress leaves the sides short and is one of the most common mistakes people make after upgrading.

Fitted sheets need to match both the footprint and the mattress depth, and depths at this size often exceed 28cm. Deep fitted sheets are usually the safer purchase.

Pillows need thinking about too. Two standard UK pillows leave obvious gaps across a 180cm headboard. Three standard pillows fill the width, or use two standard sleeping pillows with two square continental pillows layered behind them. It is a small change that makes the bed look complete.

Is It the Right Choice for You?

A super king suits couples who are easily disturbed by movement, households where children or a dog end up in the bed, and large bedrooms that look unfurnished with a smaller bed. In the right room it makes the space feel calm and resolved.

It is the wrong choice in rooms under 300cm wide, in properties with difficult stair access unless you choose a zip and link mattress, and in bedrooms that also need to function as a study or dressing area.

At Furniture in Fashion we stock super king frames in fabric, wooden, leather and high gloss finishes, and you can see the complete modern bedroom furniture UK sale range to plan the rest of the room around one. Free delivery is available to most UK mainland postcodes.