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Nutrition
Calculate BMI-for-age percentile for children and teens (ages 2–20). Based on CDC growth chart data for weight classification.
Formula
BMI = weight (kg) / height² (m²). Percentile from CDC growth chart reference data.
Inputs
Body Metrics
Calculate your Body Mass Index (BMI) instantly using height and weight. Free, WHO-validated formula with personalized health category insights for adults.
Formula
BMI = weight (kg) / height (m)²
Inputs