: A properly fitting diaper should sit just below the belly button. If it’s riding low like 2000s-style jeans, it’s too small.
Finding the right diaper size is more of an art than a science. While manufacturers provide weight ranges on every box, every baby's body shape is unique—meaning a "perfect fit" for one 10-pounder might be a blowout waiting to happen for another.
: Tabs should easily reach the center of the waistband. If you have to tug them to make them meet, move up. Diaper Size Chart by Weight | Huggies® US
Weight ranges overlap significantly, so you’ll often need to look for these physical cues that the current size is too small:
: Look for red indentations around your baby’s thighs, groin, or waist after removing the diaper.
: You should be able to comfortably fit two fingers under the fastened waistband. If it’s a struggle, the diaper is too tight.