Body Mass Index (BMI)

Measurement of body fat based on height and weight.
Applicable for people, age 18 or older.



World Health Organization's (WHO) recommended body weight based on BMI values for adults.

Category BMI
Severe Thinness < 16
Moderate Thinness 16 - 17
Mild Thinness 17 - 18.5
Normal 18.5 - 25
Overweight 25 - 30
Obese Class I 30 - 35
Obese Class II 35 - 40
Obese Class III > 40

Additional Information

The results should be used only as a guide and should not replace medical advice.

Muscle structure and ethnic origin should be considered when interpreting the results.

Example 1: BMI may overestimate body fat for people who are very muscular and physically fit.

Example 2: People of Asian descent may have an increased risk of health problems at a lower BMI threshold than the general population.