BMI Calculator
Calculate your Body Mass Index with metric or imperial units — free, instant.
BMI Categories:
Underweight: < 18.5 | Normal: 18.5–24.9 | Overweight: 25–29.9 | Obese: ≥ 30
Underweight: < 18.5 | Normal: 18.5–24.9 | Overweight: 25–29.9 | Obese: ≥ 30
ℹ️ About this tool
BMI Calculator computes Body Mass Index in both metric and imperial units and shows the standard WHO weight classification. All calculations happen locally in your browser — your height and weight data are never sent to any server.