1. BMI Calculation & Classification (Adults)
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Formula: BMI = weight (kg) / [height (m)]²
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Classifications:
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Underweight: < 18.5
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Normal range: 18.5 – 24.9
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Overweight: 25 – 29.9
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Obesity: ≥ 30
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2. “Ideal” or Healthy Weight Range by Height
This range typically corresponds to a BMI of 18.5 to 24.9.