BMI Calculator
Calculate your Body Mass Index and understand your results
Unit System
BMI Classifications (Adults 20-64 years)
- Underweight: 0 - 18.5
- Normal weight: 18.5 - 24.9
- Overweight: 25 - 29.9
- Obese Class I: 30 - 34.9
- Obese Class II: 35 - 39.9
- Obese Class III: 40 - above
Note: These classifications are for adults aged 20-64 years. BMI interpretation may vary for children, teens, and older adults.