📊 Ideal Body Weight Calculator [show]
Ideal Body Weight
Ideal Body Weight / Adjusted Body Weight
| Parameter
|
Value
|
| Sex
|
1 Male Female
|
| Height (inches) — total inches, e.g. 70 for 5'10"
|
|
| Actual Weight (kg) — for adjusted BW
|
|
| Results
|
| Ideal Body Weight (Devine)
|
kg
|
| Adjusted Body Weight (IBW + 0.4 × [ABW − IBW])
|
kg
|
| References
|
- Devine BJ. Gentamicin therapy. Drug Intell Clin Pharm. 1974;8:650-655.
- Male IBW = 50 kg + 2.3 kg per inch over 5 feet.
- Female IBW = 45.5 kg + 2.3 kg per inch over 5 feet.
- Adjusted BW = IBW + 0.4 × (Actual BW − IBW). Used for drug dosing in obese patients (e.g., vancomycin, aminoglycosides).
- Tidal volume dosing: Use IBW for ventilator settings (6–8 mL/kg IBW per ARDSNet protocol).
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