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BMI Calculator

iPhone / iPad
  • Health & Fitness
  • Medical
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This tool calculates a person's body mass index (BMI), an indicator of body fatness expressed in units of kg/m2. Calculations are possible using either the US customary system or the metric system. Interpretation of BMI in terms of a person's weight status (from underweight to obese) is valid only for adults, whereas for children and teens it is necessary to refer to age-adjusted ranking