BMI Calculator

Calculate body mass index using metric or imperial units and see your BMI category plus a healthy weight range estimate.

Calculate Your BMI

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About BMI

BMI is a simple weight-to-height index used as a general screening estimate. It does not measure body fat directly and may not fit every body type, athlete, child, or medical situation.

  • Underweight: below 18.5
  • Normal range: 18.5 to 24.9
  • Overweight: 25 to 29.9
  • Obesity: 30 and above