“You have to go by the fit, and how the diaper works with their build.” The following chart is a general sizing guide based on some of the most popular diaper brands on the market.[1]#1 But ...

Here is a toddler size chart for reference ... and toddler size 2T is whether the clothing is designed for a child in diapers or a potty-trained toddler. For example, onesies that snap open ...