What Size Diapers To Buy ★

Weight ranges overlap significantly, so you’ll often need to look for these physical cues that the current size is too small:

: A properly fitting diaper should sit just below the belly button. If it’s riding low like 2000s-style jeans, it’s too small. what size diapers to buy

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. Weight ranges overlap significantly, so you’ll often need

Most major brands, including and Huggies , follow a similar weight-based sizing structure. Diaper Size Baby's Weight (lbs) Approximate Age Preemie Under 6 lbs Newborn (Premature) Newborn (N) Up to 10 lbs 0–1 month Size 1 8–14 lbs 1–4 months Size 2 12–18 lbs 3–8 months Size 3 16–28 lbs 5–24 months Size 4 22–37 lbs 18–36 months Size 5 Over 27 lbs Size 6 Over 35 lbs Source: Consolidated from Hiccapop and BabyCenter . 5 Signs It's Time to Size Up While manufacturers provide weight ranges on every box,