Normal height for 12 month olds
The average height for 12 month old baby boys is 30 in and 12 month old baby girls average 29.3 in1 The tables below show the distribution of height by percentile of the 12 month year old population.
Current units = feet/inches. View this page in centimeters.
Height percentile table for 12 month old baby boys
| Percentile | Height |
|---|---|
| 3rd | 27.9 in |
| 5th | 28.2 in |
| 10th | 28.5 in |
| 25th | 29.2 in |
| 50th | 30 in |
| 75th | 30.8 in |
| 90th | 31.5 in |
| 95th | 32 in |
| 97th | 32.3 in |
Height percentile table for 12 month old baby girls
| Percentile | Height |
|---|---|
| 3rd | 27.1 in |
| 5th | 27.4 in |
| 10th | 27.8 in |
| 25th | 28.5 in |
| 50th | 29.3 in |
| 75th | 30.1 in |
| 90th | 30.7 in |
| 95th | 31.2 in |
| 97th | 31.4 in |
Source Citations
- Robert J. Kuczmarski Dr.P.H. et al., Centers for Disease Control and Prevention, U.S. Department of Health & Human Services 2000 CDC Growth Charts for the United States: Methods and Development