Clinical Tool

Adjusted Ideal Body Weight

Calculate AIBW using the Devine formula. Used for dosing medications in patients whose actual body weight exceeds their ideal body weight by more than 30%.

0.40

Standard is 0.40. Use 0.25 for aminoglycosides; 0.30 for renal calculations.

Adjusted IBW

74.9kg

Ideal body weight61.4 kg
Over IBW+54.6%
Patient is >30% over IBW. AIBW is appropriate for weight-based dosing.