What is BMI?
BMI, or Body Mass Index, is a simple calculation using a person’s height and weight to determine if they are underweight, normal weight, overweight, or obese.
BMI CALCULATOR
International BMI
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US Unit
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UK Unit
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Status
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Underweight (BMI < 18.5)
Normal (18.5 <= BMI < 24.9)
Overweight (25 <= BMI < 29.9)
Obesity (BMI >=29.9)
| CATEGORY | BMI RANGE |
|---|---|
| Underweight | BMI < 18.5 |
| Normal | 18.5 <= BMI < 24.9 |
| Overweight | 25 <= BMI < 29.9 |
| Obesity | BMI >= 29.9 |
How is BMI calculated?
BMI is calculated with the formula: weight (kg) / height (m)^2.
Limitations of BMI:
BMI doesn’t account for muscle mass, bone density, overall body composition, and differences in race and sex, so it may not be a perfect indicator of health.
