Choosing between a queen bed vs king bed comes down to one major difference: width. In Australia, a standard queen mattress measures 153 × 203 cm, while a standard king mattress measures 183 × 203 cm. Both have the same length, but the king gives you an additional 30 cm of width.
That extra space can make a noticeable difference for couples, families, pet owners and anyone who enjoys having more room to move during the night.
| Feature | Queen Bed | King Bed |
|---|---|---|
| Width | 153 cm | 183 cm |
| Length | 203 cm | 203 cm |
| Difference | — | 30 cm wider |
| Sleeping area | 3.11 m² | 3.71 m² |
| Approx. width per person | 76.5 cm | 91.5 cm |
| Best suited to | Couples, guest rooms, medium bedrooms | Couples wanting more space, larger bedrooms |
| Floor space required | Less | More |
| Bedding cost | Generally lower | Generally higher |
The important point is simple: a king bed is not longer than a queen in Australia — it is wider.
A queen bed is 153 cm wide and 203 cm long in Australia. It is a popular choice for couples because it provides comfortable shared sleeping space without requiring as much bedroom floor area as a king.
A queen can be particularly practical in:
For many households, the queen offers an appealing balance between sleeping comfort and available space.
A king bed measures 183 cm wide by 203 cm long in Australia.
The additional 30 cm of width gives each person approximately 15 cm more personal sleeping space compared with sharing a queen. That takes individual width from about 76.5 cm to 91.5 cm.
This can be especially valuable if one or both sleepers move around during the night, if children or pets occasionally join you, or if you simply prefer a spacious sleeping environment.
The king bed is bigger.
However, the difference is entirely across the width for standard Australian mattress dimensions.
Queen: 153 × 203 cm
King: 183 × 203 cm
So a king provides 30 cm more width while maintaining the same 203 cm length.
In terms of mattress surface area:
That is roughly 19% more mattress area.
Both can be excellent choices for couples.
A queen bed is ideal when you want comfortable shared sleeping space while keeping more room around the bed for bedside tables, wardrobes, drawers and other bedroom furniture.
A king bed is better when sleeping space is your priority.
If you regularly find yourself close to the edge of the mattress, share your bed with a pet or child, or simply prefer plenty of personal space, the additional width of a king can be worthwhile.
For a smaller bedroom, a queen will generally be easier to accommodate.
The mattress itself is 30 cm narrower than a king, but remember that the complete bed can be larger once you include the frame, headboard and side rails.
This difference matters when planning:
Always measure the external dimensions of the bed frame, rather than relying only on the mattress size.
If you have a generous master bedroom, a king can create a more substantial and luxurious centrepiece.
A larger room can accommodate the wider mattress while still leaving enough space around it for furniture and comfortable movement.
A king can work particularly well with:
The result can feel more balanced than placing a smaller bed in a very large room.
The king is 30 cm wider than the queen.
For two people, that translates to:
Queen: approximately 76.5 cm of mattress width per person
King: approximately 91.5 cm per person
That is an additional 15 cm per person.
While 15 cm may sound modest, it becomes surprisingly noticeable when you are sleeping, turning over or sharing the bed with a child or pet.
If your household regularly has visitors climbing into the bed — whether they have two legs or four — a king can be a particularly comfortable option.
The additional width creates more room for movement without making the bed feel crowded.
A queen can still work perfectly well for couples with occasional family or pet visitors, but a king provides considerably more breathing room.
The mattress dimensions are only part of the calculation.
You need enough room to walk around the finished bed comfortably. A commonly recommended starting point is around 60 cm or more of clearance beside the bed, although the ideal amount depends on your room layout and furniture.
Before choosing a king, mark out an area measuring approximately 183 × 203 cm on your bedroom floor.
Then add the approximate footprint of your chosen frame.
This gives you a much more realistic idea of how the finished bed will affect the room.
Another important consideration is bedding.
Queen and king mattresses require different fitted sheets, mattress protectors and quilt covers. Australian bedding guides list queen fitted sheets for 153 × 203 cm mattresses and king fitted sheets for 183 × 203 cm mattresses.
The difference also affects:
Always purchase bedding according to the Australian mattress dimensions, particularly when shopping from international retailers, because the same size name can refer to different dimensions in different countries.
A queen will generally cost less than a king because the mattress and many associated products are smaller.
The difference can extend beyond the mattress itself.
Consider the cost of:
King-size bedding can also require more fabric, making replacement linen somewhat more expensive.
However, price should not be the only consideration. If you are investing in a bed you expect to use for many years, sleeping comfort and room suitability are equally important.
A queen is usually a practical choice for a guest bedroom.
It offers comfortable sleeping space for two adults while leaving more floor area for storage or other furniture.
A king can create a luxurious guest experience if the room is large enough, but it may be unnecessary if the bedroom is primarily used occasionally.
For a versatile guest room, a queen often provides the best balance.
Ask yourself these questions:
If the room is compact, start with a queen.
If you have a spacious master bedroom, consider a king.
If two people sleep together, think about how much personal space you prefer.
If yes, the additional width of a king can be particularly useful.
A queen can feel cosy and proportionate.
A king creates a more generous, luxurious sleeping environment.
If you want substantial bedside tables, wardrobes, drawers or a seating area, make sure the larger bed does not compromise your layout.
The bed is usually the largest visual element in a bedroom, so its size affects the overall interior design.
A queen can suit a more compact, refined bedroom where furniture needs to remain proportionate.
A king gives you a larger canvas for beautiful bedding and decorative styling.
Consider layering a king with:
The key is proportion. A larger bed generally benefits from larger-scale accessories so the room feels balanced rather than visually top-heavy.
Bedroom design in 2026 continues to focus on comfort, softness and creating a restful retreat.
Oversized beds, layered bedding, natural materials, curved furniture and warm neutral palettes are particularly well suited to king-size bedrooms.
At the same time, queen beds remain extremely practical for homes where space efficiency matters.
The trend is not simply towards choosing the biggest bed available. Instead, the emphasis is on selecting a size that feels generous without overwhelming the room.
At House of Isabella Australia, bedroom styling is about creating a space that feels beautiful, comfortable and personal.
Whether you choose a queen or king bed, the surrounding furniture and accessories can transform the atmosphere of the room. Consider pairing your bed with elegant bedside tables, layered cushions, soft lighting, decorative mirrors and carefully selected accessories.
House of Isabella Australia offers a large in-stock catalogue, exclusive and unique designs, fast delivery Australia-wide from East and West Coast warehouses, and Australian-based customer care. Buy Now, Pay Later options are also available with Afterpay and Zip.
Yes. An Australian king mattress is 183 × 203 cm, while a queen is 153 × 203 cm. The king is 30 cm wider, while both are the same length.
Both can work well. A queen is practical for couples who want to conserve bedroom space, while a king is ideal for couples who prefer more personal sleeping space.
A king is 30 cm wider than a queen in Australia.
Yes. Standard Australian queen and king mattresses are both 203 cm long.
Generally, yes. Because a king is 30 cm wider, it occupies more floor area and leaves less room for surrounding furniture and walkways.
It is generally more expensive because king-size bedding uses more material and is larger, although prices vary considerably by brand and fabric.
No. Australian queen and king mattresses have different widths, so fitted sheets and mattress protectors should be purchased in the correct size.
When comparing a queen bed vs king bed, the decision is ultimately about finding the right balance between sleeping space and bedroom space.
Choose a queen if you want a comfortable, versatile bed that works well in a wide range of Australian bedrooms. Choose a king if you have the room and want noticeably more personal space, a larger sleeping surface and a luxurious bedroom feel.
The most important thing is not simply choosing the larger option. It is choosing the size that allows you to sleep comfortably while leaving your bedroom feeling spacious, balanced and beautifully considered.
Mentions of brands such as Florabelle, Gallery Home, Café Lighting & Living, Zaffero, Emac & Lawton and others are included purely for descriptive and contextual purposes. House of Isabella Australia is not affiliated with, endorsed by, or associated with these brands.
Disclaimer: All trademarks, brand names and product names mentioned on this website are the property of their respective owners. Any references are made for identification, informational or comparative purposes only, and do not imply any affiliation, endorsement, sponsorship or authorisation.
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