| Baby Size detail Preemie (P) | Height Up to 43 cm | Weight Up to 2.3 kg |
| Newborn (NB) | Up to 55 cm | 2.3 – 3.6 kg |
| 3M | 55 – 61 cm | 3.6 – 5.7 kg |
| 6M | 61 – 67 cm | 5.7 – 7.5 kg |
| 9M | 67 – 72 cm | 7.5 – 9.3 kg |
| 12M | 72 – 78 cm | 9.3 – 11.1 kg |
| 18M | 78 – 83 cm | 11.1 – 12.5 kg |
| 24M | 83 – 86 cm | 12.5 – 13.6 kg |
| Baby Shoe Size 0 | Approx Age Birth up to 6 weeks | Length 0–9.8cm |
| 1 | 6 wks - 3 months | 9.8–10.8cm |
| 2 | 3 - 6 months | 10.8–11.4cm |
| 3 | 6 - 9 months | 11.4–12.4cm |
| 4 | 9 - 12 months | 12.4–13.3cm |
| 5 | 12 - 18 months | measure now |
| 6 | 1 – 2 years | measure now |
| 7 | 2 – 2.5 years | measure now |
| 8 | 2.5 - 3 years | measure now |
| 9 | 3.5 - 4 years | measure now |
| 10 | 4 – 4.5 years | measure now |
| 11 | 4.5 – 5 years | measure now |
| 12 | 5.5 – 6 years | measure now |
| 13 | 6.5 – 7 years | measure now |