Low BMI Safety Calculator

Calculate adult BMI and identify whether it is below the CDC underweight screening threshold.

Weight (lb)

Height (in)

Your result

Complete the fields and select Calculate to see the result.

BMI cannot diagnose anorexia nervosa or any eating disorder. If eating, weight, or body-image concerns are affecting you, contact a qualified clinician or local crisis/support service; seek urgent help for fainting, chest pain, confusion, severe weakness, or other acute symptoms.

Methodology reference: CDC Adult BMI Calculator

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