Looking for Australian bed sizes?
This guide covers all standard Australian mattress sizes, including cot, single, king single, double, queen, king and super king, updated for 2026.
Australian bed sizes
| Bed Size | Dimensions | Sleepers |
|---|---|---|
| Cot | 69cm × 130cm | Baby |
| Single | 92cm × 188cm | 1 person |
| Long Single | 92cm × 203cm | 1 person |
| King Single | 107cm × 203cm | 1 person |
| Double | 138cm × 188cm | 1–2 people |
| Queen | 153cm × 203cm | 2 people |
| King | 183cm × 203cm | 2 people |
| Super King | 203cm × 203cm | 2–3 people |
Queen is Australia’s most popular mattress size, while king mattresses continue to grow in popularity among couples wanting extra sleeping space.
We’ll also explain who each bed size is best suited to, recommended bedroom sizes, typical mattress prices, and how Australian bed sizes compare with overseas standards.
Most mattresses sold in Australia are available in five standard sizes: single, king single, double, queen, and king. Some manufacturers also offer long single and super king options.
Australia has its own standard mattress dimensions, which differ from those used in the United States and the United Kingdom. Australian mattress sizes are, however, very similar to those used in New Zealand.
Most mattresses sold in Australia are between 25 cm and 36 cm high, with an average height of around 30 cm. Mattress height is worth considering when purchasing fitted sheets or a bed base, as particularly deep mattresses may require deep-wall sheets and can sit differently within some bed frames.
Australia has its own standard mattress dimensions, which differ from those used in the United States and the United Kingdom.
Although mattress dimensions are standard across Australia, bed bases can vary slightly in their overall external dimensions depending on the manufacturer. If your bedroom space is limited, always check the external measurements of the bed frame before purchasing.
Which Australian Bed Size Is Right for You?
Choosing the correct mattress size depends on who will be sleeping on it, your bedroom size and your budget.
- Cot – Suitable for babies and infants.
- Single – Ideal for children, teenagers and smaller bedrooms.
- Long Single – Great for taller individuals or adjustable bed bases.
- King Single – A popular choice for teenagers and adults wanting extra space.
- Double – Suitable for single adults, teenagers or couples with limited space.
- Queen – Australia’s most popular mattress size and ideal for most couples.
- King – Perfect for couples wanting additional sleeping space.
- Super King – Ideal for large master bedrooms, families with young children or those who share the bed with pets.
Cot (Baby) Mattress
A standard Australian cot mattress measures 69 cm x 130 cm.
Cot mattresses are designed to fit standard Australian baby cots, although some cots use non-standard dimensions, so always check compatibility before purchasing.
A good quality cot mattress typically costs between $200 and $500.
Here are Australia’s Best Cot Mattresses in 2026.
Single Mattress
An Australian single mattress measures 92 cm x 188 cm.
A single mattress is one of the most versatile bed sizes available. It is ideal for toddlers moving into their first bed, children, teenagers and guest bedrooms.
Koala Mattress on the Koala Paddington Bed Base
Many adults can also comfortably sleep on a single mattress where space is limited. Approximately 3% of Australian adults sleep on a single bed each night.
Typical price range: $400–$750 or more for premium products.
Recommended minimum room size: 2.5 m x 3.0 m
Here are Australia’s Best Kids Mattresses in 2026 (of which all come in a single size).
Long Single Mattress
An Australian long single mattress measures 92 cm x 203 cm.
A long single provides the same width as a standard single but an additional 15 cm in length, making it ideal for taller sleepers.
Peace Lily Hybrid Mattress on the Peace Lily Adjustable Bed
Two long single mattresses placed together form the dimensions of one Australian king mattress, making this a popular option for adjustable bed bases.
Here is our collection of mattresses that are compatible with an adjustable bed base (many of which come in a long single size).
Typical price range: $500–$1,000 or more for premium products.
Recommended minimum room size: 2.6 m x 3.2 m
King Single Mattress
An Australian king single mattress measures 107 cm x 203 cm.
A king single offers both extra width and extra length compared with a standard single mattress. It is an excellent option for kids, teenagers, taller adults, and guest bedrooms.
King single mattresses are also commonly used in mine site accommodation and university residences.
Approximately 3% of Australian adults sleep on a king single mattress.
Typical price range: $500–$1,000 or more for premium products.
Recommended minimum room size: 2.6 m x 3.2 m
Here are Australia’s Best Kids Mattresses in 2026 (all of which come in a king single size).
Double Mattress
An Australian double mattress measures 138 cm x 188 cm.
Double mattresses remain a popular choice for teenagers, single adults wanting more sleeping space and couples in smaller bedrooms.
Around 10% of Australian adults sleep on a double mattress.
Typical price range: $700–$1,500 or more for premium products
Recommended minimum room size: 3.2 m x 3.4 m
Here is Bedbuyer’s list of Australia’s Top 10 Mattresses in 2026 (of which all come in a double size).
Queen Mattress
An Australian queen mattress measures 153 cm x 203 cm.
The queen is by far the most popular mattress size in Australia, with approximately 61% of Australian adults sleeping on one.
Atlantis S1 Mattress on the Atlantis Bed Base.
A queen mattress comfortably accommodates two adults while fitting into most Australian master bedrooms, making it the most practical choice for many households.
Typical price range: From around $800 to several thousand dollars
Recommended minimum room size: 3.0 m x 4.0 m
Here is our list of Australia’s Top 10 Mattresses in 2026 (of which most come in a queen size).
King Mattress
An Australian king mattress measures 183 cm x 203 cm.
King mattresses continue to grow in popularity, with around 21% of Australian adults choosing a king size bed.
Dusk and Dawn Signature Mattress on the Liquorice Bedhead and Base (king size split)
A king mattress provides an additional 30 cm of width compared with a queen, making it ideal for couples who value extra personal space or who share the bed with children.
Typical price range: From around $1,000 upwards
Recommended minimum room size: 3.2 m x 4.2 m
Here is our list of Australia’s Top 10 Mattresses in 2026 (of which most come in a king size).
Super King Mattress
An Australian super king mattress measures 203 cm x 203 cm.
The super king is the largest standard mattress size commonly available in Australia. Although relatively uncommon (around 1% of Australian adults), it offers exceptional sleeping space.
A super king mattress is particularly suited to spacious master bedrooms, families who occasionally co-sleep with children, or households where pets regularly sleep on the bed.
Typical price range: From around $1,500 upwards
Recommended minimum room size: 3.5 m x 4.5 m
Here is our list of Australia’s Best Super King Mattresses in 2026.
Frequently Asked Questions
What is the most common bed size in Australia?
A queen mattress is Australia’s most popular bed size, with around 61% of Australian adults sleeping on one.
Are Australian bed sizes the same as US bed sizes?
No. Australian mattress dimensions differ from those used in the United States, so mattresses and bed bases are generally not interchangeable.
Are Australian bed sizes the same as UK bed sizes?
No. Australian and UK mattress sizes are different, meaning Australian mattresses typically won’t fit UK bed frames and vice versa.
How much bigger is a king than a queen?
An Australian king mattress is 30 cm wider than a queen mattress while remaining the same length (203 cm).
What is the difference between a king single and a single?
A king single mattress is 15 cm longer and 15 cm wider than a standard Australian single mattress, making it ideal for teenagers and taller adults.
Can two long single mattresses make a king?
Yes. Two Australian long single mattresses placed together have the same dimensions as one Australian king mattress, making them a popular choice for adjustable bed bases.
Final Thoughts
Choosing the right mattress size is one of the most important decisions you’ll make when buying a new bed. By considering your room size, sleeping habits, budget and future needs, you’ll be able to choose a mattress that provides years of comfortable sleep.
If you’re still unsure which Australian bed size is right for you, feel free to leave a comment below. We’re always happy to help.
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