BMI Calculator
Calculate your Body Mass Index to understand where your weight falls on the health spectrum.
Measurement System:
Underweight
Normal
Overweight
Obese
What This Means
Your BMI will be explained here.
BMI Categories Reference
| Category |
BMI Range |
| Underweight |
Below 18.5 |
| Normal weight |
18.5 - 24.9 |
| Overweight |
25.0 - 29.9 |
| Obesity (Class I) |
30.0 - 34.9 |
| Obesity (Class II) |
35.0 - 39.9 |
| Obesity (Class III) |
40.0 and above |
References: World Health Organization (WHO) BMI Classification, CDC Adult BMI Guidelines, National Institutes of Health (NIH).