Find the Perfect Fit
Length, width, and height aren’t just numbers on a product tag, they can make a real difference to your sleep comfort. In Australia, mattress sizes are mostly standard across brands, but slight variations can affect how your bed feels. At Amart, our mattresses follow Australian standard dimensions, with minor differences depending on the model.
| Mattress Size | Metric | Imperial |
|---|---|---|
| Single | 92 x 188cm | 3'0 x 6'2" |
| Long Single | 92 x 203cm | 3'0" x 6'8" |
| King Single | 107 x 203cm | 3'6" x 6'8" |
| Double | 138 x 188cm | 4'6" x 6'2" |
| Queen | 153 x 203cm | 5'0" x 6'8" |
| King | 183 x 203cm | 6'0" x 6'8" |
| Super King | 203 x 203cm | 6'8" x 6'8" |
Mattress Size Comparison Table
Choosing the Right Mattress
Choosing the right mattress isn’t just about picking a number off the sales tag. Room space, body size, sleep habits,
and bed features all play a role in determining how comfortable your mattress feels every night.
Before we look into all the different sizes of beds, let's look at how thickness, support, and your space can significantly impact sleep quality.
And don’t forget, your mattress and pillows work together. Our
Amart Pillow Bar
has advice on choosing pillows that complement your mattress choice.
Single Mattress (92 cm x 188 cm)
Single mattresses are ideal for toddlers through to teens - and just as handy when guests stay the night. Lightweight, versatile and easy to rearrange as your home evolves.
King Single Mattress (107 cm x 203 cm)
If you’re after a little extra space, the King Single is your answer. It offers all the benefits of a Single but with more wiggle room especially in length, matching the head-to-toe size of a Queen mattress.
Long Single Mattress (92 cm x 203 cm)
Need extra length on your Single mattress? Amart’s Long Single is ideal for taller sleepers or compact rooms. Place two side by side to create a Split King perfect for versatility in bedrooms, guest spaces, or Airbnb accommodation.
Double Mattress (138 cm x 188 cm)
Ready to level up? A Double mattress is ideal for growing teens, first homes, or pet snuggles. Lightweight and widely available, it’s perfect for singles though couples or taller sleepers may prefer the extra length of a Queen.
Queen Mattress (153 cm x 203 cm)
The Queen mattress is Australia’s most popular size, making up nearly 40% of all sales. Spacious enough for two adults without overwhelming the room, it’s the perfect middle ground a comfortable, balanced choice for most couples and bedrooms.
King Mattress (183 cm x 203 cm)
A King mattress is all about space perfect for you, your partner, the kids, and even the dog. Just ensure it fits your room with 60cm clearance. For comfort and luxury, nothing beats a mattress truly fit for a king.
Super King Mattress (203 cm x 203 cm)
The Super King is the largest mattress we stock, perfect for spacious master suites and creating a true sleep sanctuary. As its name suggests, it needs a generously sized room to fit comfortably and show off its luxury.
