BMI Calculator
Calculate BMI (Body Mass Index) from height and weight automatically and display obesity classification. Useful for health management, diet, and medical checkups.
cm
kg
Calculation Result
Please enter height and weight
BMI Classification Table
| BMI Range | Classification |
|---|---|
| Below 18.5 | Underweight |
| 18.5 - 24.9 | Normal weight |
| 25.0 - 29.9 | Overweight |
| 30.0 - 34.9 | Obesity Class I |
| 35.0 - 39.9 | Obesity Class II |
| 40.0 and above | Obesity Class III |
How to Use
- Enter height (cm) and weight (kg), then click 'Calculate BMI' button for automatic calculation.
- The result displays both BMI value and obesity classification.
- Reference BMI classification table is also available for reference.
Important Notes
- BMI is calculated from height and weight only and does not consider muscle mass or body fat percentage.
- May not be applicable for pregnant women, growing children, or athletes with high muscle mass.
- BMI is only a reference indicator. Consult a doctor for detailed health assessment.
- This tool is for health management reference and does not replace medical diagnosis.
Tips & FAQ
- What is BMI?
What is BMI? - What are the BMI standards?
What are the BMI standards? - What happens if BMI is high/low?
What happens if BMI is high/low? - Can BMI alone determine health?
Can BMI alone determine health? - What's the ideal BMI value?
What's the ideal BMI value?
This information is general guidance. Consult doctors or medical institutions for detailed advice.