King size bed dimensions in cm refer to the standard Australian measurements of a king bed, which are 183cm wide x 203cm long. In simple terms, a king size bed offers generous sleeping space for couples, families or anyone who values extra room and comfort at night. These dimensions apply to the mattress itself, while the overall size of a king bed frame or bedstead may be slightly larger depending on the design.
Here’s why this matters: knowing the exact king size bed dimensions in cm helps you choose the right mattress, bed frame, bedding and bedroom layout — avoiding costly sizing mistakes.
In Australia, bed sizes follow consistent national standards. A king size bed sits near the top of the size range.
Width: 183cm
Length: 203cm
This size provides significantly more width than a queen bed, making it ideal for couples who want personal space without upgrading to a super king.
While the mattress measures 183cm x 203cm, the bed frame or bedstead usually adds:
5–10cm extra width (side rails)
5–15cm extra length (headboard and footboard)
Always allow extra clearance when measuring your bedroom.
Understanding king size bed dimensions in cm is easier when compared to other popular Australian bed sizes.
Queen bed: 153cm x 203cm
King bed: 183cm x 203cm
Super king bed: 203cm x 203cm
The main reason Australians upgrade from queen to king is the extra 30cm of width, which dramatically improves sleep quality for couples.
Before purchasing a king bed, it’s essential to consider more than just mattress dimensions.
A comfortable layout typically allows:
At least 75cm clearance on each side of the bed
Space for bedside tables and walkways
As a general rule, bedrooms should be at least 4m x 4m to comfortably accommodate a king size bed.
Higher bed frames with tall headboards suit rooms with higher ceilings, while low-profile beds work better in modern or smaller spaces.
King size mattresses can be bulky. Measure doorways, hallways and stairwells before ordering.
Some king bedsteads are wider or longer due to thick upholstery or statement headboards — always check total frame dimensions.
The popularity of king size bed dimensions in cm isn’t accidental. The benefits are practical and lifestyle-driven.
More width means less disturbance from your partner, kids or pets.
Many Australian families share beds during early mornings or weekends — a king bed makes this comfortable.
King beds create a hotel-style look that instantly elevates your bedroom.
A king size bed suits changing lifestyles, growing families and long-term comfort.
At House of Isabella Australia, king beds and bedsteads are curated with Australian dimensions, lifestyles and interiors in mind. Understanding king size bed dimensions in cm is central to selecting pieces that balance comfort and design.
Why customers choose House of Isabella:
Fast Australia-wide delivery
East & West Coast warehouses for quicker shipping
Buy Now, Pay Later with Afterpay & Zip
Large in-stock catalogue ready to dispatch
Exclusive, unique designs curated for modern homes
Australian-based customer care for peace of mind
House of Isabella’s king bed frames are designed to pair seamlessly with premium mattresses, bedside tables and bedroom décor — creating cohesive, well-proportioned spaces.
Design inspiration may align with broader interior styles seen across Florabelle Collection, Zaffero, Gallery Home, Café Lighting & Living and OneWorld Collection, referenced purely for contextual styling guidance.
In 2025, king beds are evolving beyond size alone — design and function are equally important.
Curved silhouettes, vertical paneling and upholstered finishes are dominating Australian bedrooms.
Lower frames paired with plush mattresses are trending for a relaxed, contemporary look.
Warm whites, sand, taupe and natural timber finishes are replacing cooler greys.
Lift-up bases and hidden drawers are increasingly popular, especially in urban homes.
Australians are embracing king beds as the centrepiece of layered, luxury sleep spaces.
Styling a king bed is about scale, balance and visual harmony.
Choose a rug at least 240cm x 340cm to properly frame a king bed.
Small bedside tables can look lost next to a king bed — scale matters.
Multiple pillows, European cushions and textured throws enhance the bed’s presence.
Coordinate bedding, wall colour and lighting for a polished, designer look.
Avoid overcrowding the room — a king bed should feel luxurious, not cramped.
Even with the right king size bed dimensions in cm, mistakes can happen.
Buying a bed frame without checking total dimensions
Choosing a king bed for a room that’s too small
Forgetting to measure doorways and staircases
Pairing a king bed with undersized furniture
Overlooking mattress compatibility with the base
Avoiding these ensures your investment looks and feels right.
King bed
King bed frame
King bedstead
Super king bed dimensions
Queen bed dimensions
Bedroom furniture
Mentions of brands such as Florabelle Collection, Gallery Home, Café Lighting & Living, Zaffero, Emac & Lawton, OneWorld Collection 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.
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