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What is the BMI for someone 6'1" and 105 lbs?

Answer
BMI: 13.9 (Underweight)
Normal weight range for 6'1": 140-189 lbs35 lbs below normal rangeConsider consulting a healthcare provider

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How We Calculated This

BMI = (weight × 703) / height²

(105 × 703) / (73 × 73) = 73,815 / 5329 = 13.9

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Calculated using verified formulas. Last updated March 2026.