Ideal Weight Calculator
Get the WHO healthy weight range (BMI 18.5-24.9) and the Devine formula estimate for your sex, based on height.
This calculator provides two complementary estimates of a healthy body weight based on your height. The first is the WHO healthy range, derived from BMI values of 18.5 to 24.9 applied to your height in meters. The second uses the Devine formula (1974), a clinical equation originally developed for drug dosing: for men it starts at 50 kg plus 2.3 kg per inch over 5 feet, and for women it starts at 45.5 kg. Together, these give you both a broad healthy span and a single-point reference, which is useful when setting realistic weight goals or discussing targets with a healthcare provider.
About This Calculator
This tool shows a WHO healthy weight range based on BMI 18.5-24.9 for your height, plus a Devine formula single-point estimate based on sex and height. These are general references; consult a healthcare provider for personalized advice.