Double bed size – the standard size for a double, or total, bed is 54 inches wide by 75 inches long. Double beds are recommended for two small adults or a large adult, but can be used by a child or teenager who has exceeded a double bed size. One of the most commonly seen beds in the world, double-sized beds may vary slightly by country.
As the name implies, a double bed size is usually shared by two people. If two people are sharing a double bed, the size of 54 inches, 75 inches provides approximately 27 inches in width and 75 inches in length per person. When it comes to the height of a person, a double bed 75 inches long is equal to 6 feet, 3 inches tall person, although this does not take into account the position of the person in bed.
A double bed is the same length as a double bed size approximately 75 inches – 15 inches, but wider. If you upgrade to a larger size, which is the queen-size bed, the width of the bed is expanded by 6 inches, for a total of 60 inches, as well as an additional 5 inches in length, or 80 inches. The next available is the king, which is the same length as the queen, but 6 inches wider, or 66 inches. When upgrading from a double to a king, you get 12 inches wide and 5 inches long, in general.