BMI Calculator
Calculate your Body Mass Index (BMI) and get health recommendations based on WHO standards. Works with both metric and imperial units.
BMI Categories (WHO Standards)
| Category | BMI Range | Health Risk |
|---|---|---|
| Underweight | Below 18.5 | Increased risk of nutritional deficiencies |
| Normal weight | 18.5 - 24.9 | Minimal health risk |
| Overweight | 25.0 - 29.9 | Increased risk of diabetes, heart disease |
| Obese Class I | 30.0 - 34.9 | Moderate health risk |
| Obese Class II | 35.0 - 39.9 | Severe health risk |
| Obese Class III | 40.0 and above | Very severe health risk |
About BMI Calculator
Body Mass Index (BMI) is a widely used screening tool to categorize individuals based on their weight relative to their height. This free BMI calculator uses the standard BMI formula: weight (kg) divided by height (m) squared.
How to Use This BMI Calculator:
- Choose your preferred unit system (metric or imperial)
- Enter your height and weight accurately
- Click "Calculate BMI" to get instant results
- Review your BMI category and health recommendations
Important Notes:
- BMI is a screening tool and should not be used as a diagnostic tool
- It may not be accurate for athletes with high muscle mass
- Consult healthcare professionals for personalized health advice
- Results are based on WHO (World Health Organization) standards