Ideal Body Weight The Devine formula is commonly used to estimate Ideal Body Weight (IBW) based on height. The formula differs for men and women:For Men:IBW (kg)=50+2.3×(height in inches−60)IBW (kg)=50+2.3×(height in inches−60)For Women:IBW (kg)=45.5+2.3×(height in inches−60)IBW (kg)=45.5+2.3×(height in inches−60) Ideal Body Weight Calculator Ideal Body Weight Calculator (Devine Formula) Height (cm): Gender: Male Female Calculate IBW