Normal weight for 1 year olds (kg)
The average weight for 1 year old boys is 10.5 kg and 1 year old girls average 9.7 kg1 The tables below show the distribution of weight by percentile of the 1 year year old population.
Current units = kilograms. View this page in pounds.
Body weight percentile table for 1 year old boys
| Percentile | Weight |
|---|---|
| 3rd | 8.5 kg |
| 5th | 8.8 kg |
| 10th | 9.1 kg |
| 25th | 9.7 kg |
| 50th | 10.5 kg |
| 75th | 11.3 kg |
| 90th | 12.1 kg |
| 95th | 12.6 kg |
| 97th | 12.9 kg |
Body weight percentile table for 1 year old girls
| Percentile | Weight |
|---|---|
| 3rd | 7.9 kg |
| 5th | 8.1 kg |
| 10th | 8.4 kg |
| 25th | 9 kg |
| 50th | 9.7 kg |
| 75th | 10.4 kg |
| 90th | 11.1 kg |
| 95th | 11.6 kg |
| 97th | 11.9 kg |
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
- American Academy of Pediatrics Is Your Child Overweight?