Ideal Body Weight Formula and Calculator
 
Patient's Height:  cm    OR    inches
Patient's Actual Body Weight:  kg    OR    pounds
Patient's sex: 
 
 
 
 
 
Formula
If Patient's sex = Male: IBW = 50 + (2.3 * (HT - 60))
If Patient's sex = Female: IBW = 45.5 + (2.3 * (HT - 60))
 
Note: If the patient’s height is < 60 inches, the patient’s body mass index (BMI) and fat-free mass (FFM) are taken into consideration for the calculation. See SWOG Policy 38: Dosing Principles for Patients on Clinical Trials for more information.