King Single Mattresses
Sealy King Single mattresses
We have a King Single size mattress to suit you
Whether you are looking for pressure relief for your shoulders or hips, support for your lower back or want to wake up feeling better, the perfect King Single size mattress is right here.
Sealy King Single Mattresses
Shop by range
Each Sealy range features a unique combination of our patented technologies, comfort choice and materials that are sourced and made right here in Australia. Individual model features differ between Sealy bedding retailers.
We never compromise on sleep.
Neither should you.
State-of-the-art technology leaves you feeling refreshed
A sleep system designed to maintain your body’s natural alignment
Support that stands the test of time
Finest materials
3 stage support
2 stage support
Single stage support
We never compromise on sleep. Neither should you.
State-of-the-art technology leaves you feeling refreshed
A sleep system designed to maintain your body’s natural alignment
Support that stands the test of time
Understanding
sleeping positions
The comfort of your mattress may have a direct impact on the quality of your rest. Depending on your typical sleep position, you may be suited to softer layers rather than a firm option. Explore our options from ultra plush to ultra firm, and see how they might suit you.
Sealy King Single Mattresses
Shop by comfort
Sealy Posturepedic mattresses have a wide variety of comfort layers and technology. Our base comfort options range from Ultra Firm to Ultra Plush to relieve pressure and cushion the body. No matter which Posturepedic model you prefer, we have a comfort level to suit you.
Soft comfort
Deeply cushioning and popular amongst side sleepers, these options often have a pillowtop
Medium comfort
Offers the best of both worlds between strong cushioning and equally strong support
Firm comfort
Firmer mattresses usually have a tight top, and are ideal for back or front sleepers
Soft comfort
Deeply cushioning and popular amongst side sleepers, these options often have a pillowtop.
Ultra plush
Plush
Medium comfort
Offers the best of both worlds between strong cushioning and equally strong support.
Medium
Firm comfort
Firmer mattresses usually have a tight top, and are ideal for back or front sleepers.
Ultra firm
Firm
Reviews
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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.
