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BMI Calculator

Compute Body Mass Index in metric or imperial units, with WHO category labels. Free, private, browser-only.

Your BMI
22.9
Normal weight
WHO categories
  • < 18.5 · Underweight
  • 18.5 – 24.9 · Normal weight
  • 25.0 – 29.9 · Overweight
  • ≥ 30.0 · Obese

BMI is a population-level screening metric and should not be used as a sole diagnostic of health.