Single Mattress Size. King long size 182cm x 198cm. With a king mattress couples each get about the width of a twin mattress to spread out and sleep.
And to make sure you re comfortable at night there are a few basic guidelines to look for when finding the perfect size. Also known as long single and single extra long. You should ideally have about 10cm between your feet and the bottom of the mattress when lying flat on your back with your head on the pillow.
You d be hard pressed to find a bed that is any smaller than this one other than that of a toddler bed or crib.
And when it comes to width you should be able to slide both hands under the pillow. Australia has seven commonly available mattress sizes. You should ideally have about 10cm between your feet and the bottom of the mattress when lying flat on your back with your head on the pillow. For a big family or lots of pets a king size bed can accommodate a huge crew.