BMI Calculator

Enter your weight and height to calculate your Body Mass Index (BMI).

Metric (kg/cm) / Imperial (lb/in)
Please enter a valid weight (greater than 0).
Please enter a valid height (greater than 0).

BMI is a screening measure and not a diagnostic tool. Consult a healthcare provider.

BMI Categories Chart

World Health Organization (WHO) standard categories for adult body weight classifications:

Category BMI Range
Underweight < 18.5
Healthy Weight 18.5 – 24.9
Overweight 25.0 – 29.9
Obese ≥ 30.0

Healthy Weight Tips

  • Balanced Diet: Prioritize whole foods, fiber-rich vegetables, lean proteins, and complex carbohydrates.
  • Regular Movement: Aim for 150 minutes of moderate activity or aerobic exercise weekly.
  • Adequate Hydration: Drink plenty of water throughout the day; restrict sugary soda drinks.
  • Sleep Health: Focus on getting 7-9 hours of restful sleep to optimize metabolism hormones.

100% Privacy‑First

All calculation math happens strictly inside your local browser sandbox. We do not transmit, analyze, or upload your parameters to any cloud servers. Free of ads and tracking.