King Single mattress size
Sealy MATTRESS range
Available in King Single size
At Sealy, we offer a King Single size in every model and price range, tailored to your needs and lifestyle. We also have a range of bed bases designed to complement your mattress or form a King Single ensemble.
Australian King Single size mattress
At 153cm wide and 203cm long, a King Single size mattress is the perfect option for two adults, and is the bed size chosen by approximately 40% of Australians.
Queen size beds best fit a standard bedroom or guest room. Similar sizes include the larger Double mattress, or the smaller Single XL mattress.
Sealy MATTRESS range
Australian mattress sizes comparison guide
We’ve created this bed and mattress size guide to help you find the perfect mattress size for your bedroom. See how the King Single sizes fit you, your room and your needs.
| AU Mattress Size | Width x length (MM) * |
Width x length (CM) * |
Width x length (Inches) * |
|---|---|---|---|
| Single | 915 x 1900mm | 91.5 x 190cm | 36 x 74.8" |
| Single XL | 915 x 2030mm | 91.5 x 203cm | 36 x 80" |
| King Single | 1055 x 2030mm | 105.5 x 203cm | 41.9 x 80" |
| Double | 1385 x 1900mm | 138.5 x 190cm | 54.5 x 74.8" |
| Queen | 1525 x 2030mm | 152.5 x 203cm | 60 x 80" |
| King | 1835 x 2030mm | 183.5 x 203cm | 72.2 x 80" |
| Super King | 2030 x 2030mm | 203 x 203cm | 80 x 80" |
*Due to the handmade nature of our products, there may be +/- 15mm difference in the final product from the size guide.
Sealy base range
The perfect partner for your mattress
Sealy mattresses are designed with a matching bed base in mind. Choose from a standard ensemble bed base, adjustable base or drawer storage option. Equipped with the latest technology, our bases deliver high performance and long lasting quality.
Designer base
Combine your mattress with a matching Sealy base that is designed to add support and longer lasting comfort.
Posturepedic SpaceSaver™
A convenient and modern storage solution underpinned by quality and durability.
Posturematic® Adjustable
A functional solution for modern bedrooms. Experience comfort at a new angle.
Mattress selector
Not sure what mattress is right for you?
Simply answer a few questions and we’ll recommend the right mattress based on your unique sleep profile. We will email you your customised results so you can take them in-store to a Sealy retailer near you.
King Single mattress size FAQs
How big is a King Single size bed Australia?
In Australia, a King Single size bed is 203cm long and 105.5cm wide. The height of the mattress can vary depending on the comfort level (plush, medium, firm). If you have a bed frame, this should be taken into account when measuring required space.
What is king single size in CM?
In Australia, a King Single size mattress is 203cm long and 105.5cm wide. This is equivalent to approximately 80 x 42 inches.
How much bigger is a king single to a single?
In Australia, a King Single mattress is 140mm wider and 130mm longer than a Single size mattress.
Is a king single bigger than a double?
In Australia, a King Single mattress is longer than a Double by 130mm. It is narrower, however. The King Single is 1055mm wide, while the Double is 1385mm wide.
What is the difference between a king single and a long single mattress?
The Single XL and King Single are both 2030mm long. In comparison, a standard Single measures 1900mm in length. However, there is a difference in width. The Single XL is 915mm wide, while a King Single is 1055 wide.
