Size chart
Gerber Childrenswear baby size chart
Gerber Childrenswear publishes 11 baby and toddler sizes, Preemie to 4T, by weight and height. A separate sleepwear chart is included. Checked against gerberchildrenswear.com on October 4, 2026.
Size chart
- Preemieup to 5.1 lb
- Newborn5.1 to 7.9 lb
- 0-3M7.9 to 11.9 lb
- 0-6Mup to 16.1 lb
- 3-6M11.9 to 16.1 lb
- 6-9M16.1 to 20.1 lb
- 12M20.1 to 24 lb
- 18M24 to 28 lb
- 24M/2T28 to 32 lb
- 3T32 to 35.1 lb
- 4T35.1 to 39 lb
Weight in lb, exactly as Gerber Childrenswear publishes it.
Does Gerber Childrenswear run small or large?
True to sizeAcross 8 size labels that other brands also use, Gerber Childrenswear's published ranges sit close to the middle of the pack. The same label covers about the same baby.
Based on published size charts compared with other brands. This is not a fit review.
What a typical baby wears in Gerber Childrenswear
For a baby in the middle of the WHO growth chart, with room to grow. Your baby's own measurements give a closer answer in the calculator below.
| Age | Typical weight | Typical length | Gerber Childrenswear size |
|---|---|---|---|
| Birth | 7.3 lb | 19.5 in | Newborn |
| 3 months | 13.5 lb | 23.9 in | 3-6M |
| 6 months | 16.8 lb | 26.2 in | 6-9M |
| 9 months | 18.9 lb | 28 in | 6-9M |
| 12 months | 20.5 lb | 29.5 in | 12M |
| 18 months | 23.3 lb | 32.1 in | 24M/2T |
| 2 years | 26.1 lb | 34 in | 3T |
| 3 years | 31.1 lb | 37.6 in | 3T |
The chart as published
The original wording from Gerber Childrenswear's chart, size by size.
| Size | Weight | Height or length | Age |
|---|---|---|---|
| Preemie | Up to 5 lbs. / Up to 2.3 kg | Up to 17 in. / Up to 43.2 cm | Not published |
| Newborn (NB) | 5-8 lbs. / 2.3-3.6 kg | 17-21 in. / 43.2-53.3 cm | Not published |
| 0-3M | 8-12 lbs. / 3.6-5.4 kg | 21-24 in. / 53.3-61 cm | Not published |
| 0-6M | Up to 16 lbs. / Up to 7.3 kg | 17-26 in. / 43.2-66 cm | Not published |
| 3-6M | 12-16 lbs. / 5.4-7.3 kg | 24-26 in. / 61-66 cm | Not published |
| 6-9M | 16-20 lbs. / 7.3-9.1 kg | 26-28 in. / 66-71.1 cm | Not published |
| 12M | 20-24 lbs. / 9.1-10.9 kg | 28-30 in. / 71.1-76.2 cm | Not published |
| 18M | 24-28 lbs. / 10.9-12.7 kg | 30-32 in. / 76.2-81.3 cm | Not published |
| 24M / 2T | 28-32 lbs. / 12.7-14.5 kg | 32-34 in. / 81.3-86.4 cm | Not published |
| 3T | 32-35 lbs. / 14.5-15.9 kg | 34-38 in. / 86.4-96.5 cm | Not published |
| 4T | 35-39 lbs. / 15.9-17.7 kg | 38-40 in. / 96.5-101.6 cm | Not published |
| Size | Weight | Height or length | Age |
|---|---|---|---|
| 6M | 12-16 lbs. / 5.4-7.3 kg | 24-27 in. / 61-68.6 cm | Not published |
| 12M | 16-20 lbs. / 7.3-9.1 kg | 27-30 in. / 68.6-76.2 cm | Not published |
| 18M | 20-24 lbs. / 9.1-10.9 kg | 30-33 in. / 76.2-83.8 cm | Not published |
| 24M / 2T | 24-28 lbs. / 10.9-12.7 kg | 33-35 in. / 83.8-88.9 cm | Not published |
| 3T | 28-32 lbs. / 12.7-14.5 kg | 35-39 in. / 88.9-99.1 cm | Not published |
| 4T | 32-36 lbs. / 14.5-16.3 kg | 39-42 in. / 99.1-106.7 cm | Not published |
Notes on this chart. The brand publishes imperial and metric values; the metric values are used as published. The sleepwear chart is the brand's Cotton Pajamas table, which the brand says is designed to fit snug. 0-6M is a combined size that overlaps Newborn, 0-3M, and 3-6M. 24M and 2T share one row.
Sources
Retrieved October 4, 2026. Brands update their charts, so check the brand's page before a big purchase. This site is not affiliated with Gerber Childrenswear.
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