Twin Mattress Dimensions. Twin bunk beds can save even more space and be a fun sleeping environment for children. A twin size mattressis usually 38 inches wide and 75 inches long for a total surface area of 2 850 square inches.
38 x 75 96 5cm x 190 5cm. The dimensions can vary slightly by companies with some selling twin size mattresses that are 39 inches wide instead. With a king mattress couples each get about the width of a twin mattress to spread out and sleep.
The twin bed was once america s most popular mattress size.
The twin mattress dimensions measure approximately 38 inches wide and 75 inches in length. 53 x 75 134 5cm x 190 5cm. Twin bunk beds can save even more space and be a fun sleeping environment for children. The dimensions can vary slightly by companies with some selling twin size mattresses that are 39 inches wide instead.