Most infant tables are 32 to 40 inches wide and 18 to 22 inches deep.
Safe surfaces are often contoured—lower in the middle and higher on the sides—to discourage the baby from rolling. Essential Safety Standards CHANGING TABLE
Standard tables typically range from 36 to 43 inches tall. An ergonomic "sweet spot" is roughly 10–15 cm below your elbow height when standing, which prevents spinal strain from hunching. Most infant tables are 32 to 40 inches
A changing table is a raised platform designed to facilitate diaper changes by providing a dedicated, secure space at a comfortable height for caregivers. While primarily used for infants until about age two, "universal" or adult-sized changing tables also exist to serve older children and adults with disabilities. Key Features and Ergonomics CHANGING TABLE