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BMI Calculator
Calculate Body Mass Index to assess weight health
BMIbody mass indexobesity
📖 How to Use
- Enter your height in centimeters
- Enter your weight in kilograms
- Click Calculate BMI
📐 Formula
BMI = weight(kg) / height(m)² WHO: <18.5 underweight, 18.5–25 normal, 25–30 overweight, ≥30 obese
❓ FAQ
Is BMI accurate?▾
BMI is a rough indicator and may not suit athletes, pregnant women, or the elderly. Body fat percentage is more precise.
Are BMI standards the same everywhere?▾
No — some countries (e.g., China) use stricter ranges. The international normal range is 18.5–25.
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About BMI Calculator
This tool is completely free, no registration required. Works directly in your browser. Supports both PC and mobile devices.
BMI Calculator is a free online tool that works on both PC and mobile. No registration or download required — just open in your browser. Results are accurate and reliable for everyday use and professional reference.