Normal weight for 18 month olds (kg)
The average weight for 18 month old toddler boys is 11.8 kg and 18 month old toddler girls average 11.1 kg1 The tables below show the distribution of weight by percentile of the 18 month year old population.
Current units = kilograms. View this page in pounds.
Body weight percentile table for 18 month old toddler boys
| Percentile | Weight |
|---|---|
| 3rd | 9.7 kg |
| 5th | 9.9 kg |
| 10th | 10.3 kg |
| 25th | 11 kg |
| 50th | 11.8 kg |
| 75th | 12.7 kg |
| 90th | 13.6 kg |
| 95th | 14.1 kg |
| 97th | 14.5 kg |
Body weight percentile table for 18 month old toddler girls
| Percentile | Weight |
|---|---|
| 3rd | 9.2 kg |
| 5th | 9.4 kg |
| 10th | 9.7 kg |
| 25th | 10.3 kg |
| 50th | 11.1 kg |
| 75th | 11.9 kg |
| 90th | 12.7 kg |
| 95th | 13.3 kg |
| 97th | 13.7 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?