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.
| Height (cm) | Healthy Weight Range (kg) | Mid-Range BMI (~21.7) |
|---|---|---|
| 150 | 42 – 56 | 51 |
| 155 | 45 – 59 | 54 |
| 160 | 47 – 64 | 57 |
| 165 | 50 – 68 | 60 |
| 170 | 53 – 72 | 64 |
| 175 | 56 – 76 | 68 |
| 180 | 59 – 81 | 71 |
| 185 | 63 – 86 | 75 |
| 190 | 67 – 90 | 80 |
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Fitness tracker integration3. Crucial Adjustments and Limitations
Your points on adjustments are critical, as BMI is a screening tool, not a diagnostic one.
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