Difference Between Full And Twin Bed Size
Another main difference between the twin and full size mattress is its capacity per person.
Difference between full and twin bed size. The main size difference between a twin bed and a full bed also known as a double bed is the width. At 54 inches 137 cm wide a full size bed is nearly as wide as a queen size bed twin beds are much narrower measuring a mere 39 inches 99 cm across. Both full beds and twin beds are 75 inches 191 cm long. A full bed offers more space from side to side but certain twin beds are longer for taller users.
The full or double size mattress in comparison has the same length as the twin size 75 inches but its width is 54 inches. They differ when it comes to width however. A twin mattress dimensions are 75 inches long and 38 inches wide full mattress dimensions are 75 inches long by 54 inches wide.