BMI Prime is your body mass index divided by 25, the upper limit of the healthy range, which turns the usual index into an easy to read ratio. A value of 1.00 sits exactly at the top of the healthy band, below 1.00 is within it, and above 1.00 shows how far into the overweight range you are as a simple multiple. For example a BMI Prime of 1.20 means your body mass index is twenty percent above the healthy ceiling. This calculator first computes standard BMI from your height and weight, then divides by 25 to give the prime value and a matching category. Enter weight in kilograms and height in centimetres and both figures appear together. Everything runs locally in your browser. Like BMI, this is a general screening ratio, not a diagnosis or measure of body composition, so read it as context only.
It is your BMI divided by 25, the upper limit of the healthy range, so a value of 1.0 sits exactly at that limit.
A BMI Prime below 1.0 is within the healthy range, while above 1.0 indicates BMI over the healthy threshold.
As a simple ratio it makes it easy to see at a glance how far above or below the healthy limit you are.
BMI Prime is your body mass index divided by 25, the upper limit of the healthy range, which turns the usual index into an easy to read ratio. A value of 1.
Yes. BMI Prime Calculator is completely free, with no sign-up and no usage limits.
Yes. BMI Prime Calculator runs in any modern web browser. There is nothing to download or install.
Yes. BMI Prime Calculator runs entirely on your device in your browser, so nothing you enter is uploaded to a server.