Queen vs King Mattress: Which Size Fits Your Room and Lifestyle?

Choosing between a Queen and King mattress is not simply a matter of buying the larger option. Both are standard Australian sizes, both are long enough for most adults, and both can work well for couples. The better choice depends on sleeping space, bedroom layout, furniture clearance, access to the room and the way you expect to use the bed over time.

A Queen often balances sleeping space with room flexibility. A King adds noticeable width for people who prefer more personal space or sometimes share the bed with children or pets. Neither size is automatically better.

This guide focuses on the Queen-versus-King decision. For a broader overview of Australian sizes, use the Best Beds Bed Size Guide.

Queen and King Mattress Dimensions at a Glance

In Australia, a standard Queen mattress is approximately 153 cm wide by 203 cm long. A standard King mattress is approximately 183 cm wide by 203 cm long.

Comparison	Queen mattress	King mattress
Approximate width	153 cm	183 cm
Approximate length	203 cm	203 cm
Main difference	Smaller room footprint	Approximately 30 cm more width
Often considered by	Couples, solo sleepers wanting more room and bedrooms where floor space matters	Couples wanting more personal space and households with a larger bedroom

These figures describe the mattress, not the complete bed. Headboards, upholstered edges and side rails can make a frame wider or longer. Check the measurements of the exact mattress, base and frame before ordering.

How Much Extra Sleeping Space Does a King Provide?

Queen and King mattresses are generally the same length. The King provides approximately 30 cm more width, which is roughly 15 cm of additional space per person when two people share the bed.

That difference may matter if either sleeper moves frequently, prefers a clear personal area or sometimes shares the bed with a child or pet. Other couples may find a Queen comfortable while appreciating the extra floor space it leaves around the bed.

Size and comfort are separate decisions. After choosing the dimensions, compare the firmness, surface feel and construction of the specific mattress.

When a Queen Mattress May Be the Better Choice

A Queen may be more practical when you want space for two people without allowing the bed to dominate the room.

• You need room for bedside tables, a dresser, desk, cot or chair.
• Wardrobe doors and drawers require generous clearance.
• You want easier movement around the sides and foot of the bed.
• The access route includes narrow doors, hallways or stairs.
• You may move home and want a size that can suit more future bedrooms.
• You want greater flexibility across the mattress, base, frame and bedding budget.

A Queen can also suit a solo sleeper who wants generous space. Browse the current Queen mattress collection after confirming the size works in your room.

When a King Mattress May Be the Better Choice

A King may be worthwhile when the room is large enough and the added width solves a real need.

• Both sleepers prefer more personal space.
• One or both sleepers change position frequently.
• A child or pet sometimes joins the bed.
• The bed is planned as a long-term main-bedroom setup.
• The room remains functional after the wider bed is installed.
• The property access can accommodate the mattress and foundation.

The extra width should not create blocked wardrobes, cramped walkways or unusable furniture. Review the King mattress range only after measuring the full layout.

Bedroom Space and Furniture Clearance

There is no single bedroom measurement that makes a Queen or King automatically correct. Room shape, doors, wardrobes, windows and furniture all affect the decision.

Measure the room and note:

• the proposed bed position;
• the swing of bedroom and wardrobe doors;
• drawers that need to open fully;
• bedside tables and access to power points;
• walking space around the bed;
• any desk, cot, chair or other furniture that must remain.

Masking tape can help show the mattress footprint on the floor. Remember that the finished bed may extend beyond those lines, so use the external measurements of the chosen frame or base for the final plan.

Bed Frames, Bed Bases and External Dimensions

A mattress size does not show the total size of the setup. A simple base may stay close to the mattress footprint, while an upholstered frame can add width through side rails and length through a headboard or foot section.

Check the exact product dimensions and measure from the widest and longest points. If you need a new foundation, compare the available bed bases as part of the same decision rather than choosing the mattress in isolation.

Moving, Stairs, Hallways and Property Access

The mattress must reach the bedroom, not merely fit once it is there. Measure entrances, internal doors, hallway turns, staircases and lift access where relevant.

A King is wider and may be harder to manoeuvre around tight corners. Bases and frames may also arrive in large sections, and the way they are packed or assembled varies. If the bedroom is upstairs or access is restricted, provide accurate details before ordering.

Storage-Bed Considerations

A storage bed can reduce the need for extra drawers or cupboards, but the complete frame still needs enough space for assembly, movement and access to nearby furniture.

A King storage bed may provide more under-bed area than a Queen version, while also taking up more floor space. Compare the exact external dimensions, opening method and room layout. Best Beds offers selected gas lift bed frames in Queen and King sizes.

Budget and Future Room Use

Consider the complete setup, including the mattress, base or frame, sheets, protector and quilt. A Queen may provide more budget and layout flexibility. A King may be worthwhile when the extra sleeping width is a priority and the room comfortably supports it.

Also consider what may happen later. A bed chosen for a large current bedroom may need to fit a smaller home, guest room or different layout in the future.

Questions Couples Should Discuss

• Do we regularly feel crowded on our current bed?
• Does either person move often or prefer more personal space?
• Do children or pets sometimes share the bed?
• Would a King restrict access to doors, wardrobes or furniture?
• Would we prefer a Queen with more room around it or a King with more room on it?
• Have we considered the full setup and access route?

Queen or King: A Simple Decision Checklist

A Queen may suit you better if room circulation, furniture clearance, easier handling and future flexibility matter most.

A King may suit you better if extra width for two sleepers is the priority and the complete bed fits without making the room less practical.

Compare Queen and King Options at Best Beds Epping

Best Beds is a mattress and bedroom furniture retailer with a showroom in Epping, Melbourne. Customers can compare selected Queen and King mattresses, bed bases and bed frames and consider how the full setup will work in their bedroom.

Bring your room measurements and check the Contact and Epping showroom page for the current address, directions and opening information before travelling.

Conclusion

A King adds approximately 30 cm of width to the same general mattress length as a Queen. Choose the size that gives you the right balance between sleeping space and a functional bedroom. Measure the mattress, complete frame or base and the full access route before deciding.

Frequently Asked Questions

What are the standard Queen and King mattress dimensions in Australia?

A standard Australian Queen mattress is approximately 153 cm wide by 203 cm long. A standard King is approximately 183 cm wide by 203 cm long. Check the listed dimensions of the individual product before ordering.

How much wider is a King mattress than a Queen?

A King is approximately 30 cm wider while generally having the same 203 cm length.

Is a Queen mattress large enough for two adults?

A Queen is a common couple’s size and can balance sleeping space with room efficiency. Couples who want more personal width may prefer a King if the room can accommodate it.

Should I measure the mattress or the bed frame?

Measure both. The frame or base may extend beyond the mattress, so use the external dimensions of the exact product when planning clearance.

Is a King always better for a main bedroom?

No. A King offers more width, but a Queen may create a more functional room. The better choice depends on the sleepers, furniture, access, budget and future room use.