| Size | Height | Weight | Carter's Sizes |
|---|---|---|---|
| P (premature) | up to 17 inches | up to 5 lbs | 14-15 inches: babygrow collar to heel 11-12 inches: onesie collar to crotch 8-9 inches: pants length |
| NB (new born) | up to 21 inches | 5-8 lbs | 16-17 inches: babygrow collar to heel 13-14 inches: onesie collar to crotch 9-10 inches: pants length |
| 3M (3 months) | 21-24 inches | 8-12 lbs | 19-20 inches: babygrow collar to heel 14-15 inches: onesie collar to crotch 11-12 inches: pants length |
| 6M (6 months) | 24-26 inches | 12-16 lbs | |
| 9M (9 months) | 26-29 inches | 16-20 lbs | |
| 12M (12 months) | 29-31 inches | 20-24 lbs | |
| 18M (18 months) | 31-33 inches | 24-27 lbs | |
| 24M (24 months) | 33-34 inches | 27-30 lbs | |
| 2T (toddler 2) | 34-35 inches | 30-32 lbs | |
| 3T (toddler 3) | 35-38 inches | 32-35 lbs | |
| 4T (toddler 4) | 38-41 inches | 35-39 lbs | |
| 5T (toddler 5) | 41-43 inches | 39-45 lbs |