Anorexic BMI Calculator
This tool computes BMI and places it against the tiers commonly referenced in anorexia nervosa screening — mild (below 17.5), moderate (16-16.99), severe (15-15.99) and extreme (below 15). It is a screening indicator only, never a diagnosis.
TheCalculators — Anorexic BMI Calculator
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BMI
18.52 kg/m²
Your calculated BMI does not fall in the anorexia-associated range
- Screening tier
- Not in the range commonly associated with anorexia (17.5+)
- Healthy BMI range
- 18.5 – 25 kg/m²
- Healthy weight for height
- 59.9 – 81.0 kg (132 – 179 lb)
- Common diagnostic marker
- BMI below 17.5 in adults
- Danger thresholds
- < 13.5 organ failure risk · < 12 life-threatening
BMI classification (WHO)
18.5kg/m²
Normal
Low BMI is just one physical feature of anorexia nervosa — diagnosis requires clinical evaluation, and not all low body weight is related to anorexia. Estimates for informational purposes only — not medical advice.
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Formula
BMI = weight (kg) / height (m)² · anorexia-associated range: BMI < 17.5 (mild < 17.5, moderate 16-16.99, severe 15-15.99, extreme < 15)
Pro tips
- • A BMI below 17.5 in adults is one common physical characteristic used when diagnosing anorexia.
- • If you or someone you know is struggling, contact a healthcare provider or an eating-disorder helpline.
FAQ
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