Asian BMI Calculator (WHO 2004 Thresholds)

BMI is the same arithmetic for everyone — your weight in kilograms divided by the square of your height in metres. What changes between populations is the point at which that number starts to signal raised risk. Research reviewed by the WHO found that South, East and Southeast Asian adults tend to carry more body fat, and more of it around the abdomen, at any given BMI than European adults. So the value that maps to “overweight” risk arrives earlier: at 23.0 rather than 25.0. The tool does not recalculate your BMI when you switch scales; it simply reads the same figure against a table that starts one action point lower.

Once you enter your weight and height, the result card shows your BMI, the Asian category it falls in, and the weight range that would keep you inside the 18.5–22.9 healthy band for your height. If you are above that band and want to plan a change, the Weight Loss Calculator turns a target weight into a daily calorie figure, and the TDEE Calculator estimates how many calories you burn in a day as the starting point. For the full standard-scale view with senior ranges too, use the parent BMI Calculator.

For adults aged 65 and over the observational senior band (23–28) takes precedence over the Asian thresholds, and the calculator applies it automatically from the age you enter. BMI is a screening figure, not a diagnosis.