BMI Prime Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter your BMI.
- Press Calculate.
How it works
BMI Prime = BMI ÷ 25. Below 1 is under the overweight threshold; above 1 is over it.
Worked example
BMI 30. = 1.2.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.