BMI Prime Calculator
Calculate BMI Prime (ratio to upper normal BMI of 25). Free, instant.
How to Use BMI Prime Calculator
1
Enter weight and height.
2
Get BMI Prime (1.0 = upper limit of normal).
3
Copy or download your result.
Frequently Asked Questions
What does BMI Prime mean?
Below 1.0 is normal. 1.0–1.2 is overweight. Above 1.2 is obese.