See your ideal body weight from four popular reference formulas, side by side, plus the healthy weight range implied by BMI.
"Ideal body weight" formulas were originally developed to help estimate medication dosages, not to define a cosmetic target. Different researchers derived slightly different coefficients from their own study populations, which is why Robinson, Miller, Devine, and Hamwi don't quite agree — they're independent estimates of the same underlying idea, not four measurements of one true number.
Every formula here uses only height and gender. None of them factor in muscle mass, body frame size, or body composition — so a muscular, athletic person can easily fall "above" their formula weight while being perfectly healthy. Treat these as reference points, not targets to chase.
These particular formulas were derived for adults and depend only on height and gender — age matters more for children and teens, whose healthy weight is usually assessed against CDC growth percentile charts instead.
None of them alone — use the spread across all four (and the healthy BMI range) as a rough band, not a single precise target. Body frame size, muscle mass, and overall health matter more than hitting an exact number.
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