1. The importance of crib size When choosing a crib, the size of the bed is a very important factor. The correct bed size ensures your baby has enough room to sleep while also avoiding safety hazards. 2. Standard crib dimensions: Standard crib dimensions are 52 inches long and 28 inches wide. This size can meet the needs of most newborns and young children, and also makes it convenient for parents to purchase matching bedding. 3. Small crib size If you live in a small