Average Height and Weight Chart for Babies and Toddlers in the U.S. (1 Month to 4 Years)
Average Height and Weight Chart for Babies and Toddlers in the U.S. (1 Month to 4 Years)
Knowing the average height and weight of your child helps parents track healthy development and growth. Below, we've detailed the standard growth measurements for children in the United States from ages 1 month to 4 years. These guidelines are based on data from the Centers for Disease Control and Prevention (CDC).
Average Height and Weight for Babies (1 Month to 12 Months)
| Age | Average Height (inches/cm) | Average Weight (pounds/kg) |
|---|---|---|
| 1 Month | 21.5 inches (54.6 cm) | 9.9 lbs (4.5 kg) |
| 3 Months | 24 inches (61 cm) | 13.9 lbs (6.3 kg) |
| 6 Months | 26.5 inches (67.3 cm) | 17.5 lbs (7.9 kg) |
| 9 Months | 28 inches (71.1 cm) | 20 lbs (9.1 kg) |
| 12 Months | 29.5 inches (74.9 cm) | 22 lbs (10 kg) |
Average Height and Weight for Toddlers (1 Year to 4 Years)
| Age | Average Height (inches/cm) | Average Weight (pounds/kg) |
|---|---|---|
| 18 Months | 31.8 inches (80.8 cm) | 24.5 lbs (11.1 kg) |
| 2 Years | 34.2 inches (86.9 cm) | 28 lbs (12.7 kg) |
| 3 Years | 37.5 inches (95.3 cm) | 31.5 lbs (14.3 kg) |
| 4 Years | 40.3 inches (102.4 cm) | 36 lbs (16.3 kg) |
Why Tracking Growth Matters
Monitoring your child's growth against average standards helps in early detection of possible health and nutritional issues. It is important to note that individual growth can vary significantly based on genetics, diet, and environment.
When to Consult a Pediatrician
Regular check-ups with your pediatrician ensure your child's growth is on track. If your child is significantly above or below these averages or suddenly deviates from their growth pattern, discuss this with your healthcare provider.
Understanding these growth metrics helps parents nurture their child's healthy development from infancy through the toddler years.
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