Healthy Weight for 15-Year-Old Girls: BMI Guidelines and Individual Factors

According to the CDC, the average weight for a 15-year-old girl of average height (5'3") is approximately 100 pounds. However, healthy weight varies significantly based on height, body composition, puberty stage, and genetics.

CDC BMI Guidelines for Adolescents (Ages 13-18)

• Underweight: BMI < 18.5
• Normal weight: BMI 18.5 – 24.9
• Overweight: BMI 25 – 29.9
• Obese: BMI ≥ 30

BMI = (weight in lbs ÷ height in inches²) × 703

Important Considerations

• BMI is a screening tool, not a diagnostic measure. It doesn't distinguish muscle from fat.
• Athletic teens may have higher BMIs due to muscle mass.
• Puberty timing greatly affects weight and body composition.
• Focus on healthy behaviors (nutrition, activity, sleep) rather than a specific number.

When to Consult a Doctor

If you're concerned about weight, growth patterns, eating habits, or body image, schedule a visit with a pediatrician or adolescent medicine specialist. They can assess growth charts, body composition, and overall health in context.