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What is the BMI for someone 5'8" and 140 lbs?

Answer
BMI: 21.3 (Normal)
Normal weight range for 5'8": 122-164 lbsYou are within the normal weight range

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How We Calculated This

BMI = (weight × 703) / height²

(140 × 703) / (68 × 68) = 98,420 / 4624 = 21.3

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Calculated using verified formulas. Last updated March 2026.