Australian Bed Sizes

Here is a list of standard, Australian bed (mattress) sizes in 2025:

Australian bed sizes

Australia’s vast array of size options should accommodate the needs of all sleeping situations. There are sizes for infants and young children, all the way up to larger-sized couples, and families.

Australia has a unique set of bed (mattress) sizes that differ from those in the United States and in the United Kingdom. However, Australian bed sizes are very similar to those in New Zealand.

Australia has a unique set of bed (mattress) sizes that differ from those in the United States and in the United Kingdom.

In terms of mattress height, it’s worth noting that most mattresses in Australia are between 25cm high and 36cm high. The average height of a mattress sold in Australia is about 30cm.

Mattress height is relevant as some bed sheets may not fit properly on higher mattresses. Height is also important in terms of how a mattress sits in a particular bed base (e.g. with a headboard).

Dusk&Dawn Signature Luxe

Many bed bases will be the same size as the mattress, but some bases will be be a little wider and longer, so keep this in mind when assessing your bedroom space.

Let’s discuss the different sizes of Australian mattresses to help you decide on the right bed size for you!

Cot (Baby) Mattress

A standard Australian cot mattress (baby mattress) is 69 cm wide and 130 cm long.

A cot mattress is made to fit in a standard baby cot, and there are many different designs and styles in the baby cot market.

Airnest Cot Mattress

Cot mattresses also come in other sizes so make sure you check that your cot mattress and cot size are compatible. The typical price range for a decent cot size mattress is $200 – $500.

Here are Australia’s Best Cot Mattresses in 2025.

Single Mattress

An Australian single size mattress is 92 cm wide and 188 cm long.

Despite its relatively small size, a single mattress is quite versatile and is suitable for a toddler, a child, or teenager.

Koala Mattress on the Koala Paddington Bed Base

Most adults could also sleep in a single size bed if necessary – in fact about 3% of Australian adults sleep in a single size mattress each night. The typical price range for a decent single size mattress is $400 – $750.

As a general guide, a room size of 2.5m x 3.0m is suitable for a single size bed.

Here are Australia’s Best Kids Mattresses in 2025 (of which all come in a single size).

Long Single Mattress

An Australian long single mattress is 92 cm wide and 203 cm long.

Not many Australians sleep on a long single mattress, but there are plenty of options available. The Peace Lily Hybrid Mattress is a popular mattress that comes in a long single size.

Peace Lily Hybrid Mattress on the Peace Lily Adjustable Bed

Two long single mattresses placed together make up a king size mattress, and this set up is sometimes used on an adjustable bed base. The typical price range for a decent long single mattress is $500 – $1000.

As a general guide, a room size of 2.6m x 3.2m is suitable for a long single size bed.

Here is our collection of mattresses that are compatible with an adjustable bed base (many of which come in a long single size).

King Single Mattress

An Australian king single mattress is 107 cm wide and 203 cm long.

King single mattresses are both wider and longer than a standard single size mattress, and are ideal for children, teenagers, and adults.

Eco Kids Mattress

About 3% of Australian adults sleep on a king single mattress, which are also common in mine site accommodation. The typical price range for a decent king single size mattress is about $500 – $1000.

As a general guide, a room size of 2.6m x 3.2m is suitable for a king single size bed.

Here are Australia’s Best Kids Mattresses in 2025 (all of which come in a king single size).

Double Mattress

An Australian double mattress is 138 cm wide and 188 cm long.

This is a common bed size in Australia, with about 10% of Australian adults sleeping on a double mattress each night.

Koala Mattress on the Koala Paddington Bed Base

A double mattress is versatile and practical. It can accommodate two adults, and is also ideal for children and teenagers. A decent double size mattress will set you back between $700 to $1,500.

As a general guide, a room size of 3.2m x 3.4m is suitable for a double size bed.

Here is Bedbuyer’s list of Australia’s Top 10 Mattresses in 2025 (of which all come in a double size).

Queen Mattress

An Australian queen size mattress is 153 cm wide and 203 cm long.

Queen sizes are by far the most common of all mattress sizes in Australia. 61% of Australians sleep on a queen size mattress which sleeps two adults comfortably.

Atlantis S1 Mattress on the Atlantis Bed Base.

The typical price for a decent queen size mattress ranges from $800 all the way up to several thousand.

As a general guide, a room size of 3.0m x 4.0m is suitable for a queen size bed.

Here is our list of Australia’s Top 10 Mattresses in 2025 (of which most come in a queen size).

King Mattress

An Australian king size mattress is 183 cm wide and 203 cm long.

King size mattresses are becoming more popular in Australia with about 21% of Australians enjoying the space and luxury of a king size bed.

Dusk and Dawn Signature Mattress on the Liquorice Bedhead and Base (king size split)

A king size mattress is one that you will typically find in luxury hotels, and this size mattress will provide an abundance of space for two adults. A decent king mattress will cost anywhere from $1,000 to many thousands.

As a general guide, a room size of 3.2m x 4.2m is suitable for a king size bed.

Here is our list of Australia’s Top 10 Mattresses in 2025 (of which most come in a king size).

Super King Mattress

An Australian super king mattress is 203 cm wide and 203 cm long.

As the name suggests, it provides two adults with an enormous amount of sleeping space!

Sleep Republic Mattress on the Sleep Republic Pro Base

Although not common in Australia (about 1%), a super king mattress is perfect for large families who may want to enjoy movie nights together! Some people also use a super king mattress to allow extra space for their pets.

As a general guide, a room size of 3.5m x 4.5m is suitable for a super king bed.

Prices start from about $1,500 to many thousands. Here is our list of Australia’s Best Super King Mattresses in 2025.

We hope that the information above about Australian bed sizes is helpful, but if you have any questions about your bedding purchase, leave a comment below or please contact us! We are here to help.

Bedbuyer is Australia’s largest bedding website and leading independent mattress review group. To read our disclosure and disclaimer statement, click here.