Boys
Height: 46.1 - 55.6 cm
Weight: 2.5 - 3.9 kg
The height and weight of the boy at birth in the norm are 46.1 - 55.6 cm and 2.5 - 3.9 kg
| Height | Description |
|---|---|
| Less than 44.2 cm | Below normal (extremely short) |
| 44.2 - 46.1 cm | Below normal (undersized) |
| 46.1 - 48.0 cm | Normal (below average) |
| 48.0 - 51.8 cm | Normal (average) |
| 51.8 - 53.7 cm | Normal (above average) |
| 53.7 - 55.6 cm | OK (high) |
| More than 55.6 cm | Very tall |
| The weight | Description |
|---|---|
| Less than 2.1 kg | Below normal (extremely insufficient) |
| 2.1 - 2.5 kg | Below normal (insufficient) |
| 2.5 - 2.9 kg | Normal (below average) |
| 2.9 - 3.9 kg | Normal (average) |
| 3.9 - 4.4 kg | Normal (above average) |
| 4.4 - 5.0 kg | Normal (very large) |
| More than 5.0 kg | Doesn't match age |
Girls
Height: 45.4 - 54.7 cm
Weight: 2.4 - 3.7 kg
The height and weight of the girl at birth in the norm are 45.4 - 54.7 cm and 2.4 - 3.7 kg
| Height | Description |
|---|---|
| Less than 43.6 cm | Below normal (extremely short) |
| 43.6 - 45.4 cm | Below normal (undersized) |
| 45.4 - 47.3 cm | Normal (below average) |
| 47.3 - 51.0 cm | Normal (average) |
| 51.0 - 52.9 cm | Normal (above average) |
| 52.9 - 54.7 cm | OK (high) |
| More than 54.7 cm | Very tall |
| The weight | Description |
|---|---|
| Less than 2.0 kg | Below normal (extremely insufficient) |
| 2.0 - 2.4 kg | Below normal (insufficient) |
| 2.4 - 2.8 kg | Normal (below average) |
| 2.8 - 3.7 kg | Normal (average) |
| 3.7 - 4.2 kg | Normal (above average) |
| 4.2 - 4.8 kg | Normal (very large) |
| More than 4.8 kg | Doesn't match age |
You can use the BMI calculator to get a more accurate estimate of your child's age and height.
Learn about the developmental characteristics of a newborn
