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BMI Calculator
Compute Body Mass Index and WHO weight classification category from height and weight metrics.
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Informational Estimate Notice:This tool computes mathematical baseline estimates using established public formulas. It does not consider individual clinical conditions, diagnostic histories, or professional advisory contexts. Always consult certified specialists before taking health, legal, or investment actions.
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Body Mass Index (BMI)In-Browser
23.0kg/m²
WHO ClassificationNormal weight
Healthy BMI Range18.5 – 24.9 kg/m²
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How this calculation works
Body Mass Index is calculated by dividing body weight in kilograms by the square of height in meters: BMI = kg / m². Defined by the World Health Organization as an epidemiological screening metric.
Frequently Asked Questions
Does BMI distinguish between muscle mass and body fat?▼
No. BMI evaluates mass relative to height and cannot differentiate dense skeletal muscle from adipose tissue.