Ideal Weight Calculator
Calculate your ideal weight range based on different scientific formulas and your height.
About Ideal Weight Formulas
There are several formulas used to calculate ideal weight. Each formula was developed by different researchers and may be more appropriate for different body types. These formulas complement our BMI calculator to give you a more complete picture of your health.
Devine Formula (1974)
Originally developed for calculating medication dosages. For men: 50 kg + 2.3 kg for each inch over 5 feet. For women: 45.5 kg + 2.3 kg for each inch over 5 feet.
Robinson Formula (1983)
A modification of the Devine formula. For men: 52 kg + 1.9 kg for each inch over 5 feet. For women: 49 kg + 1.7 kg for each inch over 5 feet.
Miller Formula (1983)
Another variation. For men: 56.2 kg + 1.41 kg for each inch over 5 feet. For women: 53.1 kg + 1.36 kg for each inch over 5 feet.
Hamwi Formula (1964)
One of the earliest formulas. For men: 48 kg + 2.7 kg for each inch over 5 feet. For women: 45.5 kg + 2.2 kg for each inch over 5 feet.
BMI-Based Range
Based on the healthy BMI range of 18.5-24.9. This provides a range rather than a single number, acknowledging that healthy weight varies between individuals. Check your BMI score to see where you fall on this scale.
Need to lose weight?
If you're above your ideal weight range, our Calorie Deficit Calculator can help you determine how many calories you should consume to reach your ideal weight. You can also use our Weight Loss Timeline tool to estimate how long your journey will take.
Calculate your ideal calorie deficit →