|Little Cassata Size||US Size||Carters** Size Range||Height||Weight|
|NB||Newborn||P (Preemie)||Up to 19 inches (48.5cm)||Up to 8 pounds|
|50||0-3 Months||NB (Newborn)||18-22 inches (46-56cm)||8-12 pounds|
|60||3-6 Months||3M to 6M||22-26 inches (56-66cm)||12-16 pounds|
|70||6-12 Months||6M to 9M||26-28 inches (66-73cm)||16-20 pounds|
|80||12-18 Months||12M to 18M||28-32 inches (73-80cm)||20-27 pounds|
|90||18-24 Months||24M||32-35 inches (80-90cm)||27-32 pounds|
|100||2T||2T-3T||35-39 inches (90-100cm)||32-38 pounds|
|39-43 inches (100-110cm)||38-44 pounds|
|120||4T||Size 5||43-47 inches (110-120cm)||***|
|130||4||Size 6-7||47-51 inches (120-130cm)||***|
|140||5||Size 8||51-55 inches (130-140cm)||***|
55-59 inches (140-150cm)
*Please note that this is just a reference. Many US sizes differ, so one brand may not follow the same height range as another. To ensure proper sizing, please measure your child.
**We are not affiliated with Carters brand in any way. We have provided a conversion based on their measurement guide as shown on their official website.
***Weight differentiates wildly at this point in children, so we opted to leave this out to avoid confusion.