⚖️ Adjusted Body Weight
UseCalculate ideal and adjusted body weight in obesity.
SourceDevine BJ. 1974; pharmacokinetic dosing references
This-shift next steps
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Methodology · worked example, guidelines & full notes
The correct dosing weight is drug-specific.
When to use
Calculate ideal and adjusted body weight in obesity.
How it works
AdjBW = IBW + 0.4 × (actual − IBW); IBW from the Devine formula.
Key points
- The correct dosing weight is drug-specific.
- IBW uses height and sex (Devine).
- Verify against each drug's reference.
References
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Height | 175 cm |
|---|---|
| Actual body weight | 100 kg |
| Sex | Male |
→Adjusted body weight82.3kg
- Ideal body weight：70.5 kg (Devine)
- Formula：IBW + 0.4 × (actual − IBW)
| Height | 175 cm |
|---|---|
| Actual body weight | 100 kg |
| Sex | Female |
→Adjusted body weight79.6kg
- Ideal body weight：66.0 kg (Devine)
- Formula：IBW + 0.4 × (actual − IBW)
Verification & sources · governance
FAQ
Frequently asked questions
- What are the limits and cautions when using Adjusted Body Weight?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- Does Adjusted Body Weight upload patient data? Where is it calculated?
- Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.
- How is Adjusted Body Weight calculated in practice? Can you show a worked example?
- Inputs: Height 175 cm, Actual body weight 100 kg, Sex Male → Result: Adjusted body weight 82.3 kg（Ideal body weight: 70.5 kg (Devine), Formula: IBW + 0.4 × (actual − IBW)） Inputs: Height 175 cm, Actual body weight 100 kg, Sex Female → Result: Adjusted body weight 79.6 kg（Ideal body weight: 66.0 kg (Devine), Formula: IBW + 0.4 × (actual − IBW)）