Why Calculate Your BMI?
Body Mass Index (BMI) is a standard measurement used in clinical research to help determine if a participant is a good fit for a specific study. Because every clinical trial has different safety protocols and scientific goals, BMI requirements vary significantly between studies. Some may require a specific range, while others may have a maximum cap.
Use the calculator below to find your current BMI so you can accurately check it against the criteria for the studies you are interested in.
Standard Reference Categories
| Underweight | Below 18.5 |
| Healthy Weight | 18.5 – 24.9 |
| Overweight | 25.0 – 29.9 |
| Obese | 30.0 and above |
Note: These are general categories. A specific clinical trial may use different ranges for its eligibility criteria.