⚖️ BMI Calculator

Calculate your Body Mass Index and check your health status — metric & imperial

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BMI Categories (WHO Standard)

BMI Range Category Health Risk
Below 18.5UnderweightModerate risk
18.5 – 24.9Normal weightLow risk ✅
25.0 – 29.9OverweightIncreased risk
30.0 – 34.9Obese Class IHigh risk
35.0 – 39.9Obese Class IIVery high risk
40.0 and aboveObese Class IIIExtremely high risk

⚠️ BMI is a screening tool, not a diagnostic measure. Consult a healthcare professional for medical advice.

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📌 BMI Formula

  • Metric: weight(kg) ÷ height²(m)
  • Imperial: 703 × weight(lb) ÷ height²(in)
  • Normal: 18.5 – 24.9
  • Created by Adolphe Quetelet
  • Used by WHO worldwide

⚠️ BMI Limitations

  • Doesn't measure body fat
  • Athletes may score high
  • Varies by age & ethnicity
  • Use with other metrics