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What is the BMI for someone 5'7" and 105 lbs?

Answer
BMI: 16.4 (Underweight)
Normal weight range for 5'7": 118-159 lbs13 lbs below normal rangeConsider consulting a healthcare provider

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How We Calculated This

BMI = (weight × 703) / height²

(105 × 703) / (67 × 67) = 73,815 / 4489 = 16.4

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Calculated using verified formulas. Last updated March 2026.