BMI Prime Calculator
Your BMI as a simple ratio to the upper healthy limit.
Enter your values
ⓘ Live results
Results
- BMI Prime
- 1.01
- BMI
- 25.2
- Category
- Overweight
- Weight at BMI Prime 1.0
- 79.2 kg
Quick answer
BMI Prime is your BMI divided by 25. A value of 1.0 sits exactly at the top of the healthy range.
BMI Prime = BMI / 25
How to use the BMI Prime Calculator
- 1Enter weight in kilograms and height in centimetres.
- 2Read BMI Prime — 1.0 is the top of the healthy range.
- 3Use the target weight row as a concrete goal.
Worked example
Using the values the calculator loads with:
Inputs
- Weight80 kg
- Height178 cm
Results
- BMI Prime1.01
- BMI25.2
- CategoryOverweight
- Weight at BMI Prime 1.079.2 kg
Frequently asked questions
Why use Prime instead of BMI?
It reads as a simple percentage over or under the healthy limit, which is easier to interpret.
Does it fix BMI's flaws?
No. It still ignores muscle mass and fat distribution.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.