BMI, Ideal Body Weight & Adjusted Body Weight Calculator

Calculate BMI, IBW (Devine formula), and ABW for clinical dosing decisions.

Height

Height Unit

Weight

Weight Unit

Sex

TIP

When to use which weight: ABW for aminoglycosides and heparin in obesity; IBW for tidal volume calculations and some chemotherapy protocols; Actual weight for most standard dosing. Always follow your institution's guidelines.

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For educational purposes only. Always verify calculations with clinical references and institutional protocols.