Health

BMI Calculator

Body Mass Index with BMI Prime, WHO category, and a healthy weight range for your height — metric or imperial.

Formula: BMI = kg / m² (metric) or 703 × lb / in² (imperial). Categories per WHO: underweight <18.5, healthy 18.5–24.9, overweight 25–29.9, obese ≥30.

🧠 Metric or imperial

cm/kg or ft+in/lb, whichever you use.

📈 Visual scale

See exactly where you land on the BMI spectrum.

✓ WHO categories

Underweight, healthy, overweight, obese.

🔖 Healthy range

Ideal weight span for your height.

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