Super King vs. King: Which Mattress Size is Right for You?
Choosing the right mattress size depends on your lifestyle, room space, and comfort preferences.
Both king and super king mattresses offer generous sleeping space, but the key difference lies in their dimensions:
- King mattress – 1830mm x 2030mm
- Super king mattress – 2030mm x 2030mm
Before deciding, consider:
- Room Size & Layout – Ensure your bedroom can comfortably fit a super king mattress with space to move around.
- Sleeping Partners & Personal Space – Ideal for couples, families with young children, or pet owners.
- Budget & Availability – Larger mattresses require larger bed frames and bedding.
- Ease of Movement – Consider stair access and room entry when delivering.
Ready to upgrade? Browse our collection of king and super king mattresses today to find the perfect fit for your home.
Shop Super King Mattresses at Bed World
Our super king mattresses and bed bases offer a truly luxurious sleep experience with an expansive sleeping surface that allows you to stretch, turn, and move freely throughout the night.
Choose from a wide range of features, including:
- Plush, medium, firm, and ultra-firm comfort levels
- Pocket spring and innerspring support systems
- Cooling gel and breathable materials
- Minimal partner disturbance
- High-density foam support
- Foam box edge support for enhanced durability
We also offer eco-friendly and adjustable-friendly mattress options, along with a variety of super king ensemble bases and bed frames to complete your bedroom setup.
Visit our Bedworld showroom in Perth to explore our extensive range of super king mattresses designed for growing families, superior spinal support, and the restful sleep you deserve.
Super King Mattress FAQs
1. What are the dimensions of a Super King mattress?
In Australia, a Super King mattress measures 204 cm × 204 cm, giving maximum width and comfort for couples or families.
2. Is a Super King mattress bigger than a King?
Yes, a Super King is wider than a standard King, making it the largest standard mattress size available for residential use.
3. Who should buy a Super King mattress?
It’s perfect for large bedrooms, couples who want extra space, or families with children or pets sharing the bed.
4. Will a Super King mattress fit in any bedroom?
A Super King mattress requires a large bedroom, ideally 12 × 14 feet or bigger, to fit comfortably with furniture.
5. What types of Super King mattresses are available?
They are available in innerspring, hybrid, latex, memory foam, and orthopedic designs, catering to different sleep needs.
6. How long does a Super King mattress last?
A high-quality Super King mattress can last 8 to 10 years with proper care, including rotation and the use of a mattress protector.




