Is your kid slightly older and that single bed is starting to look a little cramped? The king single mattress size is actually the same length as a queen or king bed, and even longer than a double. So if your child is due for a growth spurt or has his or her sights on a basketball scholarship, this could be a solid investment. The size of king single mattress offers a great option for kids who still want space in their rooms to play, but need extra leg room to stretch out at night.

It's also a really popular choice for teenagers who need extra space in their room for a desk or that all-important alone time. And if maths is not your thing, we’ll let you in on another little sleepover secret: two king single mattresses pushed together make one super king mattress. Perfect if you are setting up an Airbnb or for a customisable room option.

Our king single mattresses offer a range of support from 5-zone pocket springs to 12-zone, and you can even specify exactly how soft you want your bed (from plush to super firm). Our experts love this stuff, and they are in-store and happy to assist.

The size of a standard king single mattress is the second-narrowest option, being 150mm (15cm) wider and longer than a single mattress. The dimensions of an Australian king single mattress is normally 1070mm x 2040mm (107cm x 204cm).

The Beds n Dreams king single mattress size works well with a king single bed frame, available in a variety of colours and styles.