BMI categories (WHO)
- Below 18.5 — Underweight
- 18.5–24.9 — Normal
- 25–29.9 — Overweight
- 30+ — Obese
BMI Calculator
Quick screening measure relating weight to height.
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Your BMI
24.2
Normal weight
WHO adult BMI classification
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Your weight
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This tool provides general informational estimates only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional.
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Frequently asked questions
Clear answers based on established nutrition science.
Sources & methodology
Formulas and reference ranges from peer-reviewed and official sources:
- World Health Organization. BMI classification and obesity health topics.
- U.S. CDC. Adult BMI categories and screening guidance.