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Bed size guide: Mattress, Bed Frame & Bedding Dimensions

Size up your bed to you get the perfect fit for your best night’s sleep.

Compare all the common bed sizes

Single uni student? Couple with a fur-baby? Family of four? Whatever stage of life you’re at, you need a bed to match. 

Choose the right sized bed for you right now, our Australian bed sizes guide is the perfect starting point.

Mattress size comparison guide

Here are the seven most common Australian bed sizes with mattress dimensions in both metric and imperial.

Bed Type



92cm x 188cm

Single size bed dimensions

A single bed provides enough sleeping space for one person. At 92cm x 188cm, it's compact and well suited for kids bedrooms, as well as apartment and studio living. The single bed is also known as a twin bed in the USA.

92cm x 203cm

Long single size bed dimensions

Tall people, this one’s for you. 16cm longer than a single bed, the long single bed dimensions are 92cm x 203cm, which means warm feet – at last!

107cm x 203cm

King single size bed dimensions

Perfect for growing kids, teens, and big kids who fall asleep after lunch. The king single dimensions are 107cm x 203cm, making it both wider and longer than a traditional single bed.

138cm x 188cm

Double size bed dimensions

Also known as a full bed, the double bed dimensions are 138cm x 188cm. Because the length remains standard, the double bed is ideal for teens and adults alike. It’s also suited to uni students or young adults moving out of home for the first time. 

153cm x 203cm

Queen size bed dimensions

Our most popular mattress size, the queen bed dimensions are 153cm x 203cm. The extra space is great for individuals wanting more space, couples of all ages, and parents with kids who reckon there’s room for everyone on a Saturday morning.

183cm x 203cm

King size bed dimensions

The king size bed dimensions are 183cm x 203cm. It’s our largest traditional sized bed and is best for couples or individuals in search of optimal, undisturbed sleep.

Did you know? You can order two single long beds for your adjustable or split king bed base.

203cm x 203cm

Super king size bed dimensions

Love to stretch out? The super king bed is a level up from the king bed, delivering an extra 20cm in width measuring at 203cm x 203cm. This one’s for the deluxe sleeper (aka the starfish) in all of us.