BMI Calculator — Asian Cutoffs
Get your BMI, obesity class and healthy weight range from height and weight, using the Korean Society for the Study of Obesity 2022 (Asian) cutoffs rather than WHO’s.
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How to use
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Enter your height and weight
Add sex, age and measurements if you like
Check your BMI class and normal weight range
How it works and good to know
BMI = weight (kg) ÷ height (m)². Classes follow the Korean Society for the Study of Obesity 2022 adult guidelines (underweight below 18.5, normal 18.5–22.9, pre-obese 23–24.9, class 1 25–29.9, class 2 30–34.9, class 3 35 and above), judged on the value rounded to one decimal place — these Korean cutoffs are lower than the WHO ranges used in many other countries. Abdominal obesity is a waist of 90 cm or more for men and 85 cm or more for women. Body fat is an estimate from the U.S. Navy circumference formula. Under 19, growth charts are used instead. This isn’t a medical diagnosis.