Medical Calculator – SonDoctor.com
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Ideal Body Weight (IBW) Calculator
IBW : Ideal body weight
ABW : Adjusted body weight
Obesity Index (%) = (Actual Weight / IBW) × 100
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Obesity Index
120–140% : Mild Obesity
140–200% : Moderate Obesity
Over 200% : Severe Obesity
*IBW is calculated by the Devine formula and the Percentage of Ideal Body Weight (PIBW)
*ABW is applicable in obesity, using IBW (Devine)
*Height range: 152–213 cm only
*Actual weight is used for obesity index and BMI
Formulas Used in This Calculator
(1) Devine formula
- Male

- Female

(2) Percent of Ideal body weight, PIBW
- Male

- Female

(3) ABW (Adjusted Body Weight)

(4) Obesity Index

(5) BMI (Body Mass Index)

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