
Rex says
Same equations the textbooks use — just way less awkward. Pop in your stats and I'll tell you what the number actually means for you.
Try a scenario
Click to load — tweak from there.Inputs
Result
Devine (kg)
68.4
Devine (lb)
150.8
Robinson (kg)
67.2
Robinson (lb)
148.2

Psst — share this and help Rex grow
One click, a permanent link with your numbers baked in.
How to use this
- 1Enter units.
- 2Enter height (in or cm).
- 3Enter sex.
- 4Read your devine (kg) on the right — it updates as you type.
- 5Hit Share to keep the scenario or send it to someone.
About this calculator
Uses the Devine and Robinson formulas, two widely cited equations for ideal body weight based on height and sex.
