Developed in Switzerland · Used worldwide since 2014

Understand your BMI

Smart BMI was developed specifically for this website. It adds age and sex to conventional BMI to give a more differentiated interpretation of your body weight.

Over twelve years of Smart BMI: thinking beyond disciplines →

Units

Height cmWeight kgAge years

Sex used for calculation

FemaleMale

Asian origin (optional)

NoYes

Applies the original SBMI model’s adjustment. It does not capture the diversity within or between populations.

Optional questions

Target weight kg

Have you followed a specific diet? Type of diet

Height, weight, age, sex and your result stay in your browser. Our calculator does not send these values to the server or link them to visitor profiles.

Loading calculator…

Important limitations

BMI and SBMI are not diagnoses or individual risk predictions. Pregnancy, growth, high muscle mass and illness can affect interpretation. Seek qualified advice if you are concerned.

Explore BMI

What you should know about the BMI
BMI from the cradle to the grave
Fat-free mass
Body fat and its functions
Losing weight without any stress
What is the SBMI?
FAQ