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The calculator uses four recognised formulas — Devine, Robinson, Miller and Hamwi — which estimate a healthy weight from your height and sex. Because they were developed on Western populations, it also shows the healthy-weight range from the Indian BMI band (18.5–22.9), which is often more relevant for South Asians.
No. 'Ideal weight' is a range, not a single number — the formulas give slightly different values, and a healthy weight depends on your build, muscle mass and body composition, not just height. Use the range as a guide.
South Asians tend to carry more body fat and visceral fat at a given BMI, so Indian guidelines use a lower healthy BMI band (18.5–22.9) and an overweight cut-off of 23. That makes the Indian BMI-based range a better health target than Western formulas alone.
Treat it as a direction, not a precise target. Health depends more on body composition, fitness, diet and waist size than on hitting an exact number. If you're far outside the range, focus on gradual, sustainable change.
