What Is BMI?
Body Mass Index (BMI) is a simple calculation that uses your height and weight to estimate whether you are underweight, a healthy weight, overweight, or obese. It's widely used by doctors, nutritionists, and health insurers as a quick screening tool.
BMI = weight (kg) ÷ height (m)²
BMI Categories (WHO Standard)
- Under 18.5 — Underweight
- 18.5–24.9 — Normal (healthy weight)
- 25.0–29.9 — Overweight
- 30.0 and above — Obese
How to Use the EazyStudio BMI Calculator
- Enter your height (in cm or feet/inches).
- Enter your weight (in kg or lbs).
- Your BMI and category appear instantly.
BMI Limitations
BMI is a starting point, not a complete picture of health. It doesn't account for:
- Muscle mass — athletes often show "overweight" BMI despite low body fat.
- Age and gender — body composition changes with age.
- Ethnicity — different populations have different health risk thresholds.
Use BMI alongside other health indicators and consult a doctor for personalised advice.
Try the Free BMI Calculator
No signup, no app to download. Check your BMI instantly at EazyStudio — metric and imperial units supported.