BMI Formula Calculator
Calculate Body Mass Index using the standard WHO formula with both metric and imperial inputs.
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BMI Result
Metric: BMI = weight(kg) / height(m)²
Imperial: BMI = (weight(lbs) × 703) / height(inches)²
| BMI | Category |
|---|---|
| < 18.5 | Underweight |
| 18.5-24.9 | Normal |
| 25-29.9 | Overweight |
| 30+ | Obese |