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. 2022 Feb 19;17(5):818–825. doi: 10.1016/j.jtumed.2022.02.005

Table 2.

Interpretation of BMI for different age groups.

Interpretation of BMI for ages 20 and above Interpretation of BMI for ages 2–19
 <18.5: underweight <5th percentile: underweight
 18.5–24.9: normal or healthy weight 5th percentile to 85th percentile: healthy weight
 25.0–29.9: overweight 85th to <95th percentile: overweight
 >30.0: obese ≥95th percentile: obese

Based on growth charts from the Centers for Disease Control and Prevention (CDC.gov).