⚖️ Dosing Weight (Actual / IBW / AdjBW)
IBW/AdjBW/BMI and educational dosing-weight suggestion.
Clinical takeaway
BSA usually actual weight.
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When to use
Obesity dosing-weight discussion.
How it works
Devine IBW; AdjBW=IBW+0.4×(actual−IBW)
Key points
- BSA usually actual weight.
References
- Devine BJ. Drug Intell Clin Pharm 1974
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.
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 | 170 cm |
|---|---|
| Weight | 90 kg |
| Sex | Male |
→SuggestionObesity: BSA often still actual; some mg/kg use AdjBW
- BMI：31.1
- IBW：65.9 kg
- AdjBW：75.6 kg
Frequently asked questions
- What is Dosing Weight (Actual / IBW / AdjBW)?
- IBW/AdjBW/BMI and educational dosing-weight suggestion.
- How is Dosing Weight (Actual / IBW / AdjBW) calculated? What is the core formula?
- Devine IBW; AdjBW=IBW+0.4×(actual−IBW) Compute from form inputs; protocols override.
- When is Dosing Weight (Actual / IBW / AdjBW) used?
- Obesity dosing-weight discussion.
- How should Dosing Weight (Actual / IBW / AdjBW) results be interpreted?
- IBW/AdjBW/BMI and educational dosing-weight suggestion.
- What are the key clinical points for Dosing Weight (Actual / IBW / AdjBW)?
- BSA usually actual weight.
- What are the limits and cautions when using Dosing Weight (Actual / IBW / AdjBW)?
- For licensed clinicians. Protocols and labels override. Not a prescription. 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.
- How is Dosing Weight (Actual / IBW / AdjBW) calculated in practice? Can you show a worked example?
- Inputs: Height 170 cm, Weight 90 kg, Sex Male → Result: Suggestion Obesity: BSA often still actual; some mg/kg use AdjBW（BMI: 31.1, IBW: 65.9 kg, AdjBW: 75.6 kg）
💬 Peer discussion
Licensed clinicians only — about this Tool · Dosing weight
Do not share identifiable patient information (PHI). Discuss principles and workflow only — not a substitute for clinical judgement.
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