Calculators
⚖️ BMI Calculator
Free online Body Mass Index calculator with WHO/Asian/Chinese standards, metric and imperial units
Metric
Imperial
Your BMI
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Healthy weight range: —
Underweight
Normal
Overweight
Obese
Severe
| Category | BMI Range | Your Status |
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What is BMI?
Body Mass Index (BMI) is a value calculated from height and weight, widely used to assess whether a person has a healthy body weight. BMI Formula:
BMI = Weight(kg) / Height(m)²
BMI Categories & Health Risks
- Underweight (BMI < 18.5): Possible malnutrition, weakened immune system
- Normal (18.5 ≤ BMI < 25): Healthy weight range, maintain your lifestyle
- Overweight (25 ≤ BMI < 30): Overweight, consider increased exercise and diet adjustments
- Obese (BMI ≥ 30): Significantly increased risk of cardiovascular disease, diabetes
Disclaimer: BMI is a screening tool only and may not be accurate for athletes, pregnant women, or the elderly.