Formulas for Finding the Ideal Weight IBW formulas were developed mainly to facilitate drug dosage calculations. All of the formulas, have the same format of a base weight given a height of 5 feet, with a set weight increment added per inch over the height of 5 feet. For example, if you are a 5'10" male estimating your ideal weight with the Devine formula, you would add (2.3 × 10) kg to 50 kg to get 73 kg, or ~161 lbs. The formulas differ in the values used based on the research of the scientists involved in their development, and their findings. The Devine formula is the most widely used formula for the measurement of IBW.
G. J. Hamwi Formula (1964)
Male: Male: 48.0 kg + 2.7 kg per inch over 5 feet Female: Female:45.5 kg + 2.2 kg per inch over 5 feet Invented for medicinal dosage purposes.
B. J. Devine Formula (1974)
Male: 50.0 kg + 2.3 kg per inch over 5 feet Female: 45.5 kg + 2.3 kg per inch over 5 feet Similar to the Hamwi Formula, it was originally intended as a basis for medicinal dosages based on weight and height. Over time, the formula became a universal determinant of IBW.
J. D. Robinson Formula (1983)
Male: 52 kg + 1.9 kg per inch over 5 feet Female: 49 kg + 1.7 kg per inch over 5 feet Modification of the Devine Formula.
D. R. Miller Formula (1983)
Male: 56.2 kg + 1.41 kg per inch over 5 feet Female: 53.1 kg + 1.36 kg per inch over 5 feet Modification of the Devine Formula. Healthy BMI Range The World Health Organization's (WHO) recommended healthy BMI range is 18.5 - 25 for both male and female. Based on the BMI range, it is possible to find out a healthy weight for any given height.
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