Australian Bed Size Guide: Standard Bed Dimensions, Mattress Sizes, Room Requirements & Costs

Australian Bed Size Guide: Standard Bed Dimensions, Mattress Sizes, Room Requirements & Costs

Bed sizes in Australia range from a compact 92 cm × 188 cm Single to a spacious 203 cm × 203 cm Super King. They also differ from US and UK standards, meaning a "King" bed overseas isn't the same size as an Australian King. While the Australian queen bed size (153 cm × 203 cm) is the most popular choice for couples, the best bed for your home ultimately depends on your room dimensions, mattress size and how the space will be used every day.

Many Australians make the same mistake when buying a new bed; they measure the mattress but overlook the bedroom itself. They forget to check whether wardrobe doors can open fully, if there's enough walking space around the bed, or whether two bedside tables will comfortably fit alongside it.

That's exactly what this guide is here to solve.

Below, you'll discover every standard Australian bed size, complete mattress dimensions, room requirements, minimum clearance recommendations, estimated Australian costs and practical buying advice. Whether you're furnishing a child's room, upgrading your master bedroom or shopping for quality bedroom furniture at a trusted Perth furniture store. This guide will help you choose the perfect bed with confidence.

Let's start with the numbers every buyer should know first.

Australian Bed Sizes Chart: Every Size Compared in cm, mm, Inches & Feet

Bookmark this table. It lists every standard Australian bed size side by side, in centimetres, millimetres, inches and feet, so you can check it against your own tape measure or an overseas mattress you already own.

Numbers sorted. Now let's match each size to a real bedroom, a real budget, and a real sleeper.

Bed Sizes in Australia: Dimensions, Features, Room Fit & Real Costs

Every Australian bed size is designed for different sleeping needs, room sizes and budgets. While a larger bed offers more comfort, it also requires more floor space and adequate clearance for everyday movement.

The comparison below gives a quick overview before we explore each size in detail.


Note: Approximate Australian bed frame and mattress package pricing varies by brand, materials and construction.

Let's look at each standard bed size in more detail.

Single Bed

Standard Single Bed Dimensions: 92 cm × 188 cm

A Single bed is Australia's smallest standard adult bed and remains a practical option for children's bedrooms, compact guest rooms and smaller homes.

Top Features

  • Compact footprint
  • Easy to fit into smaller rooms
  • Lower purchase cost
  • Wide range of mattress options
  • Ideal for bunk beds and trundle beds

Room Size Requirements: For comfortable movement, a Single bed works best in a room measuring at least 2.7 × 3.0 metres.

Minimum Clearance Around the Bed

Leave approximately:

  • 60–75 cm beside the bed
  • 75–90 cm at the foot
  • Enough clearance to open wardrobes and doors comfortably

Single Bed Cost:

  • Bed frame: $150–$600
  • Mattress: $150–$500
  • Complete setup: $300–$900+

Who Should Choose a Single Bed?

  • Young children
  • Primary school students
  • Compact guest bedrooms
  • Holiday homes
  • Small apartments with limited space

 

Long Single Bed

Standard Long Single Bed Dimensions: 92 cm × 203 cm

A Long Single provides the same width as a standard Single but adds 15 cm of extra length, making it a popular choice for taller teenagers, adults and adjustable bed bases.

Top Features

  • Extra legroom
  • Compatible with adjustable bases
  • Great for taller sleepers
  • Space-efficient design
  • Can form part of a Split King setup

Room Size Requirements: A minimum room size of approximately 2.7 × 3.2 metres allows comfortable movement.

Minimum Clearance Around the Bed

Maintain:

  • 60–75 cm beside the bed
  • Around 90 cm at the foot
  • Easy access to wardrobes and bedside furniture

Long Single Bed Cost

  • Bed frame: $180–$700
  • Mattress: $170–$550
  • Complete setup: $350–$1,000+

Who Should Choose a Long Single Bed?

  • Teenagers
  • Tall adults sleeping alone
  • Guest bedrooms
  • Adjustable sleep systems
  • Aged care and healthcare settings

 

King Single Bed

Standard King Bed Dimensions: 107 cm × 203 cm

A King Single combines extra length with additional width, making it one of the most versatile choices for growing teenagers and solo adults. It's particularly suitable for a single size bedroom where a standard Single feels too restrictive.

Top Features

  • More sleeping space than a Single
  • Comfortable for taller adults
  • Fits most modern children's bedrooms
  • Excellent long-term investment
  • Ideal balance between comfort and space efficiency

Room Size Requirements: For the best layout, allow a room measuring around 3.0 × 3.2 metres.

Minimum Clearance Around the Bed

Recommended clearances include:

  • 70 cm beside the bed
  • 90 cm at the foot
  • Space for a bedside table and wardrobe access

King Size Single Bed Cost

  • Bed frame: $250–$850
  • Mattress: $250–$700
  • Complete setup: $500–$1,400+

Who Should Choose a King Single Bed?

Choose a King Single if you're:

  • Furnishing a teenager's bedroom
  • A tall solo sleeper
  • Creating a comfortable guest room
  • Looking for a bed that will last into adulthood

 

Double Bed

Standard Double Bed Dimensions: 138 cm × 188 cm

If you've ever wondered how big is a double bed, it offers considerably more width than a King Single while maintaining the same length as a standard Single. The dimensions of a double bed make it a practical option for solo adults who enjoy extra space or for couples who don't mind sleeping a little closer together.

Top Features

  • More sleeping space than a King Single
  • Comfortable for one adult who likes to spread out
  • Suitable for compact master bedrooms
  • Good balance between comfort and floor space
  • Wide range of bed frame styles available

Room Size Requirements: A Double bed fits best in a room measuring at least 3.0 × 3.2 metres, allowing enough space for bedside furniture and comfortable movement.

Minimum Clearance Around the Bed

Aim to leave:

  • 70–80 cm beside each accessible side
  • 90 cm at the foot of the bed
  • Enough space to fully open wardrobes and bedroom doors

Double Bed Cost:

  • Bed frame: $300–$1,000
  • Mattress: $300–$800
  • Complete setup: $600–$1,800+

Who Should Choose a Double Bed?

  • Solo adults wanting more room
  • Teenagers upgrading from a King Single
  • Guest bedrooms
  • Couples with limited space (short-term or occasional use)

 

Queen Bed

Standard Queen Bed Dimensions: 153 cm × 203 cm

The Queen is Australia's most popular bed size and the preferred choice for most couples. Offering an excellent balance between comfort and space efficiency, the Australian queen bed size fits comfortably in most modern homes while leaving enough room for bedside tables and other bedroom furniture.

Top Features

  • Australia's most popular bed size
  • Comfortable for most couples
  • Suitable for most master bedrooms
  • Large range of bed frames and mattresses
  • Plenty of bedding and accessories available
  • Great balance between comfort and floor space

Room Size Requirements

For the best layout, a Queen bed should be placed in a room measuring at least: 3.0 m × 3.5 m. This allows enough space for bedside tables, wardrobes and comfortable movement.

Minimum Clearance Around Bed

Leave approximately:

  • 70–90 cm beside each accessible side
  • 90 cm at the foot of the bed
  • Enough room for wardrobe doors to open fully
  • Comfortable access to windows and entry doors

Queen Size Bed Cost:

  • Bed Frame: $350–$1,500
  • Mattress: $450–$1,500
  • Complete Setup: $800–$3,000+

Prices vary depending on materials, mattress technology, upholstery and storage features.

Who Should Choose a Queen Bed?

  • Couples
  • First-home buyers
  • Master bedrooms
  • Guest suites
  • Solo sleepers wanting luxury space

 

King Bed

Standard King Size Bed Dimensions: 183 cm × 203 cm

The Australian king bed size provides an additional 30 cm of width compared to a Queen while maintaining the same length. This extra space allows couples to sleep more comfortably, especially if one partner moves frequently during the night or if children

Top Features

  • Spacious sleeping area
  • Excellent for couples
  • Suitable for taller adults
  • Comfortable for families with young children
  • Luxurious master bedroom appearance
  • Available in many premium designs

Room Size Requirements: A King bed performs best in bedrooms measuring at least: 3.5 m × 4.0 m. larger rooms create better visual balance while allowing space for wardrobes, dressers and bedside furniture.

Minimum Clearance Around Bed

Recommended clearance:

  • 75–90 cm beside each side
  • 90–100 cm at the foot
  • Comfortable wardrobe access
  • Space for larger bedside tables

King Size Bed Cost:

  • Bed Frame: $600–$2,000
  • Mattress: $700–$2,000
  • Complete Setup: $1,300–$4,000+

Premium timber frames, storage beds and luxury mattresses may increase the overall investment.

Who Should Choose a King Bed?

Choose king bed if you:

  • Want maximum sleeping comfort
  • Share your bed with children occasionally
  • Have a spacious master bedroom
  • Prefer extra personal space
  • Are upgrading your forever home

 

Super King Bed

Standard Super King Bed Dimensions: 203 cm × 203 cm

A Super King is Australia's largest standard bed size, offering exceptional comfort and generous personal space. Its square proportions make it ideal for expansive master bedrooms where luxury and comfort are the priority.

Top Features

  • Largest standard Australian bed
  • Maximum sleeping comfort
  • Plenty of personal space
  • Perfect for luxury homes
  • Ideal for families with young children
  • Premium bedroom appearance

Room Size Requirements: Recommended room size: 4.0 m × 4.0 m or larger. Anything smaller can restrict movement and furniture placement.

Minimum Clearance Around Bed

Leave at least:

  • 90 cm beside each side
  • 100 cm at the foot
  • Additional clearance for wardrobes and dressers

Super King Size Bed Cost:

  • Bed Frame: $900–$2,500
  • Mattress: $900–$3,000
  • Complete Setup: $1,800–$5,500+

Who Should Choose a Super King Bed?

Super king bed is ideal for:

  • Luxury master bedrooms
  • Large families
  • Couples wanting maximum space
  • High-end home renovations
  • Premium bedroom suites

Bed Frame Size vs Mattress Size – What's the Difference?

Many buyers assume a bed frame and mattress have identical dimensions. In reality, the mattress dimensions refer only to the sleeping surface, while the complete bed frame includes additional structural components.

These can include:

  • Headboards
  • Footboards
  • Side rails
  • Storage drawers
  • Upholstered surrounds
  • Decorative panels

As a result, bed frames are generally 5–15 cm wider and longer than the mattress they hold. Always measure the full frame, headboard and drawer clearance, not just the mattress, before deciding a bed will fit.

Australian Bedroom Size Standards: What the Law (and Comfort) Require

Australian building rules set a legal minimum bedroom size, but a genuinely comfortable bedroom is usually larger than that minimum.

Legal Bedroom Requirements in Australia

  • Minimum bedroom area:5m² floor area
  • Minimum ceiling height:4m
  • Natural light: Windows equal to 10% of floor area
  • Ventilation: 5% of floor area for air flow

These requirements establish minimum habitable standards, but larger rooms generally provide a more comfortable living environment.

Practical Bedroom Sizes for Every Bed

The table below provides practical room recommendations that balance comfort, storage and everyday usability.

Bedroom Size

Suitable Bed

Furniture Space

Storage Space

Comfort Rating

8.1m²
(Small)

Single, King Single

Limited

Minimal

Basic

10.2m²
(Average)

Double, Queen

Moderate

Standard wardrobe

Comfortable

17.6m²
(Master)

King, Super King

Generous

Full wardrobe and dresser

Spacious


The legal minimum is one thing. Real comfort comes down to the clearance you leave around the bed, which is exactly what's next.

Room Requirements for Bed Placement: The Clearance Rules Nobody Tells You

Leave 60 to 75cm on each accessible side of the bed for safe daily movement, and 90cm if you want a genuinely comfortable layout.

  • Foot of the bed – 70 to 90cm of walking space, more if it's also your main walkway
  • Door swing – 90 to 100cm to open the door fully without hitting the bed
  • Wardrobe clearance – 90 to 100cm to open doors and reach hanging space comfortably
  • Bedside tables – 40 to 50cm of depth each
  • Chest of drawers – 70cm or more of frontal clearance to open the bottom drawer fully

Mapping these clearances onto your actual room, rather than relying on bed size alone, is the single most reliable way to avoid a bedroom that looks fine on paper but feels tight in real life.

How to Choose the Right Bed Size for Every Lifestyle

  • For Kids: A Single bed is usually enough space for children aged three to twelve, and it leaves room for toys, storage or a study desk.
  • For Teenagers: A King Single gives growing teens extra width and length without needing a full Double-sized room.
  • For Single Adults: A Double or Queen offers a good balance of comfort and space for one person who likes room to stretch out.
  • For Couples: A Queen is the practical minimum. A King suits couples wanting more personal space or sharing the bed with pets or children.
  • For Guest Bedrooms: A King Single or Double works well, since guests rarely stay long enough to need maximum space.
  • For Apartments: A Double or Queen usually fits better in compact floor plans without overwhelming the room.
  • For Master Bedrooms: A King or Super King makes the most of a larger room and adds a genuine sense of luxury.

Matching a bed to a sleeper is half the job. The other half is understanding what actually makes up a mattress size.

Bed Mattress Sizes Australia Explained: Thickness, Comfort & Fit

Bed mattress sizes in Australia follow the same width and length as the bed frame size, but thickness is where mattresses genuinely differ.

  • Standard height: Most Australian mattresses are between 20 and 35 cm thick, with premium pillow-top models reaching around 40 cm.
  • Low profile: 20 to 25cm, a modern, minimalist look
  • High profile: 35 to 40cm, a plusher, hotel-style feel
  • Pillow-top mattresses: add extra cushioning on top, which can increase overall height by several centimetres

Always check whether your fitted sheets are rated for deep mattresses before buying bedding, and check mattress and frame sizes together since a mattress that technically fits a frame can still feel out of proportion once bedding and headboard are added.

UK vs US vs Australian Bed Sizes: Why “King” Doesn't Mean the Same Thing

Bed sizes with the same name are not the same measurement once you cross borders, which is exactly why imported bedding often doesn't fit an Australian bed properly.



Key Takeaway:
An Australian King is 10cm narrower than a US King, and the UK has no true equivalent to an Australian Queen. Always match bedding to the exact centimetre measurement, never the size name alone.

Frequently Asked Questions About Bed Sizes Australia

  • What are standard Australian bed sizes?

Standard Australian bed sizes are:

  • Single: 92 × 188 cm
  • Long Single: 92 × 203 cm
  • King Single: 107 × 203 cm
  • Double: 138 × 188 cm
  • Queen: 153 × 203 cm
  • King: 183 × 203 cm
  • Super King: 203 × 203 cm
  • What is the most popular bed size in Australia?

The Queen bed, at 153cm by 203cm, is Australia's most popular size, offering the best balance of comfort and room fit for most couples and standard bedrooms.

  • How big is a double bed?

A Double bed in Australia is 138cm wide by 188cm long. It is suitable for one adult wanting extra space or a couple in a smaller bedroom.

  • Are Australian bed sizes different from the US and UK?

Yes. Australian Queen sizing is close to the US Queen, but Australian King, Double and Super King all differ from their US and UK counterparts.

  • What is the Australian king bed size compared to overseas?

The Australian King is 183cm wide, 10cm narrower than a US King at 193cm, so US bedding will not fit correctly.

  • What room size do I need for a queen bed?

Allow a minimum bedroom size of around 3.3m by 3.9m for a Queen bed, factoring in clearance for movement and furniture.

  • What minimum clearance should be left around a bed?

Leave 60 to 75cm on accessible sides for basic movement, and 90cm if you want a more comfortable, easier-to-clean layout.

  • What bed size is best for couples?

A Queen is the minimum recommended size for couples, while a King suits those wanting more personal space or sharing the bed with children or pets.

  • Does bed frame size differ from mattress size?

Yes. Bed frames are 5 to 15cm larger than the mattress on each side to accommodate rails, headboards and storage bases.

Getting Your Bed Size Right, Once and For All

Choosing the correct Australian bed size comes down to four things:

  1. Knowing the exact dimensions in the units you actually measure with
  2. Planning your bedroom around real clearance rather than guesswork
  3. Measuring the full frame and not just the mattress
  4. Thinking ahead to how your needs might change

Whether you're furnishing a first apartment, a growing teenager's room or a spacious master bedroom, getting the size right from the start saves you an expensive resizing job later.

Still unsure which bed size will actually fit your bedroom without making it feel cramped?

Find the Perfect Bed , Mattress & Bedroom Furniture at Kenwick Sofa Outlet

Here, you’ll find quality beds, mattresses and stylish bedroom furniture designed to suit Australian homes, lifestyles and budgets.

Visit our Perth furniture store to compare sizes in person and let our friendly team help you create a comfortable, functional and beautiful bedroom.

Explore Our Beds Collection

 

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