What Size is a Hospital Bed? — Shop Home Med shophomemed.com/blogs/news/hospital-bed-size-guidePrivate View Standard Hospital Bed Size (Twin Size) The most common hospital bed size is a twin-sized bed, measuring approximately 38 inches in width and 80 inches in length. This size provides ample space for patients while maintaining maneuverability, whether it be in hospital rooms or at home. Due to the standard size, buying comfortable and stylish ...