Advanced Ideal Weight (IBW) Calculator
Estimates healthy weight range (BMI 18.5–24.9) and ideal weight using Devine and Robinson formulas.
Your Healthy Range & IBW
Enter height (and sex for formulas). Choose one or both formulas to compare.
Units
“Other” shows both male/female IBW or their midpoint.
Not used in IBW formulas; for your context only.
Select one or both to compare.
cm or ft/in
We auto-convert when you toggle units.
Live results also update as you type.
Healthy Weight Range
Awaiting inputs—
BMI 18.5–24.9 bandAutoscaled
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IBW marker shows where your selected formula lands within the healthy range.
Ideal Body Weight (IBW) — Comparison
Devine—
Robinson—
Select formulas to compare. “Other” sex shows male & female; midpoint noted.