Boys
Height: 74.1 - 86.7 cm
Weight: 8.3 - 11.5 kg
The height and weight of a boy at 1 year 3 months in the norm are 74.1 - 86.7 cm and 8.3 - 11.5 kg
| Height | Description |
|---|---|
| Less than 71.6 cm | Below normal (extremely short) |
| 71.6 - 74.1 cm | Below normal (undersized) |
| 74.1 - 76.6 cm | Normal (below average) |
| 76.6 - 81.7 cm | Normal (average) |
| 81.7 - 84.2 cm | Normal (above average) |
| 84.2 - 86.7 cm | OK (high) |
| More than 86.7 cm | Very tall |
| The weight | Description |
|---|---|
| Less than 7.4 kg | Below normal (extremely insufficient) |
| 7.4 - 8.3 kg | Below normal (insufficient) |
| 8.3 - 9.2 kg | Normal (below average) |
| 9.2 - 11.5 kg | Normal (average) |
| 11.5 - 12.8 kg | Normal (above average) |
| 12.8 - 14.3 kg | Normal (very large) |
| More than 14.3 kg | Doesn't match age |
Girls
Height: 72 - 85.7 cm
Weight: 7.6 - 10.9 kg
The height and weight of a girl in 1 year 3 months in the norm are 72 - 85.7 cm and 7.6 - 10.9 kg
| Height | Description |
|---|---|
| Less than 69.3 cm | Below normal (extremely short) |
| 69.3 - 72.0 cm | Below normal (undersized) |
| 72.0 - 74.8 cm | Normal (below average) |
| 74.8 - 80.2 cm | Normal (average) |
| 80.2 - 83.0 cm | Normal (above average) |
| 83.0 - 85.7 cm | OK (high) |
| More than 85.7 cm | Very tall |
| The weight | Description |
|---|---|
| Less than 6.7 kg | Below normal (extremely insufficient) |
| 6.7 - 7.6 kg | Below normal (insufficient) |
| 7.6 - 8.5 kg | Normal (below average) |
| 8.5 - 10.9 kg | Normal (average) |
| 10.9 - 12.4 kg | Normal (above average) |
| 12.4 - 14.1 kg | Normal (very large) |
| More than 14.1 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 child at 1 year
