Ideal Body Weight Calculator
Estimate ideal body weight (IBW) with the Devine formula.
Input Data
Height in centimetres.
Biological sex.
Results
65.9
Devine IBW = 50 + 2.3*(h-152.4)/2.54 = 65.9 kg.
At a glance:Ideal body weight (IBW) by Devine: male = 50 + 2.3·(heightcm−152.4)/2.54; female = 45.5 + 2.3·(heightcm−152.4)/2.54 (kg).
Formula
Male IBW = 50 + 2.3·(heightcm − 152.4)/2.54.
Female IBW = 45.5 + 2.3·(heightcm − 152.4)/2.54.
How to Use
- Enter height and sex.
- The tool returns ideal body weight (kg).
Case Studies
Male 170cm → 69.3 kg
IBW = 50 + 2.3·(170−152.4)/2.54 ≈ 69.3 kg.
FAQ
Use?
Mainly for medical drug dosing, not a personal target weight.
Limitations?
Based on height and sex; ignores muscle and frame.
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References
Content reviewed by the Calculatorism editorial team. Results are for reference only; please refer to the relevant authorities for the official figures.