Smart BMI: that's what I keep an eye on!
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What is the Smart Body Mass Index?
Chart
This chart shows the "ideal" range of BMI from birth to old age (dark green) and the "normal weight" range (light green) according to the WHO, i.e. between BMI 18.5 and 25, beginning at the age of 20 years. Both sexes are pooled. For an explanation, see "Why SBMI?" below. © SBMIC
The Smart Body Mass Index (SBMI)
This calculator functions on the basis of the newly developed Smart Body Mass Index. The SBMI differs from the BMI in three important aspects.
Firstly, it takes age and sex into account, besides weight and height. Secondly, the SBMI is a purely comparative figure (without any physical units) on a scale of 70 points. And thirdly, the significance of the body weight for your health can easily be derived from the SBMI but not from the BMI: The weight-related health risk levels shown in green, yellow, orange and red (see the SBMI chart on the Results page), are always 10/70 SBMI points wide.
The ideal range of the SBMI is 30/70 to 39/70 or, in words, "between thirty and thirty-nine points out of seventy".