Beds vary in size according to the room arrangement, single or multi-beds bedrooms force us to choose a specific size of the beds. Manufacturers have standardized the sizes and gave them names, so it would be easier in marketing. Each bed size has its own equivalent mattress size, the king size bed for example has a king size mattress. There are many king mattress dimensions, as there are a lot of king size bed dimensions according to the region. There is the US and Canada, Australia, UK, Europe and Japan. Each region has its own king size dimensions.
King size beds have one of the largest dimensions, therefore the king mattress dimensions are also one of the largest in the category. Each country or region has its own king mattress dimensions, according to the king bed ones. The USA and Canada both have the same dimensions of 193 x 203 cm, while the Australian dimensions are 183 x 203 cm. The UK defined the dimensions to be 150 x 200 cm, and Europe use it as 160 x 200 cm. There is also the Japanese dimensions of 170 x 195 cm, which is considered to be the smallest of them all.
All king mattress dimensions consume more material than any other size, due to its big numbers and size. The materials vary from cotton, synthetic fibers, cloth and wool. Some mattresses come with different sides, where one of them is made of cotton for summertime; and the other side is made of synthetic fibers for wintertime. Any mattress in general is made of the finest materials ever, and that is why it comes with a long period of guarantee time. As long as you are keeping it clean and using it wisely, this will make it lifetime longer.
Do not just go and buy a king mattress, you have to know the exact measurement of your bed. King mattress dimensions vary according to the bed dimensions, so you have to be careful in order not to get a mattress that does not fit your bed properly.