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Dosing Weight Calculator


Dosing weight calculator calculates the weight used in weight-based drug dosing for obese patients (actual weight >= 120% of IBW).

Dosing Weight Calculator
Select sex:
Enter weight: Select weight unit:
Enter height: Select height unit:


Based on the following formula:

Dosing Weight = IBW + (0.4 * (Actual Weight - IBW))

IBW = Ideal Body Weight


Ref: Dosing of medications in morbidly obese patients in the intensive care unit setting, Intensive Care Med., 2004 Jan;30(1):18-32. Epub 2003 Nov 19.


Legal Notices and Disclaimer

All calculator information provided by the is for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease and IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER.

Rev 11/18