Ideal Weight Calculator
This calculator provides calculations for the ideal body weight (IBW) based on popular formulas like Peterson, Robinson, Miller, and Hamwi. The results are based on your height, gender, and body frame size.
Female: 100 lb + 5 lb × (height - 60 in)
Female: 100 lb + 5 lb × (height - 60 in)
Female: 108 lb + 3.7 lb × (height - 60 in)
Female: 110 lb + 4.0 lb × (height - 60 in)
Your Ideal Weight
| Method | Ideal Weight |
|---|---|
| Hamwi (1964) | - |
| Devine (1974) | - |
| Robinson (1983) | - |
| Miller (1983) | - |
| Healthy BMI Range | - |
About the Results
Your ideal weight is calculated using four different formulas that take into account your height and gender. The results show a range of weights that are considered healthy for your body type.
The Hamwi formula is the most commonly used method, while the Devine formula was originally developed for medication dosing. The Robinson and Miller formulas provide alternative calculations.
The BMI range shows the weight range that corresponds to a healthy Body Mass Index (18.5 to 24.9).
About the Ideal Weight Calculator
The ideal weight calculator computes your healthy weight range based on your height, gender, and body frame size using several established formulas. These formulas provide different perspectives on what constitutes a healthy weight.
Understanding Ideal Weight
Ideal body weight (IBW) is a concept that suggests a weight range that is considered healthy for a person of specific height, gender, and sometimes age. It's important to note that ideal weight is not an absolute measure of health, but rather a general guideline.
The Formulas Explained
Different researchers have developed various formulas to calculate ideal weight:
- Hamwi Formula (1964): Developed by Dr. G.J. Hamwi, this is one of the most commonly used methods in clinical settings.
- Devine Formula (1974): Originally created for medication dosing calculations, this formula is still widely used.
- Robinson Formula (1983): A modification of the Devine formula based on newer data.
- Miller Formula (1983): Another modification that provides slightly different results.
Body Frame Size Adjustment
The calculator adjusts the ideal weight based on your body frame size:
- Small frame: Subtract 10% from the calculated weight
- Medium frame: Use the calculated weight as is
- Large frame: Add 10% to the calculated weight
Limitations
While these formulas provide useful guidelines, they have limitations:
- They don't account for muscle mass versus fat mass
- They may not be accurate for very tall or very short individuals
- They don't consider body composition or fat distribution
- They may not be appropriate for athletes or bodybuilders
For a more comprehensive assessment of your health, consider consulting with a healthcare professional who can evaluate factors beyond just weight and height.