Ideal Weight Calculator
Results
The ideal weight based on popular formulas:
Ideal body weight formulas provide estimates and may produce different results. They should not be treated as a medical recommendation or a measure of individual health.
How to Use This Ideal Weight Calculator
Calculating your ideal body weight only takes a few seconds. Enter your age, gender, and height to compare estimated ideal weight results from several commonly used formulas.
- Select Metric Units or US Units.
- Enter your age.
- Select your gender.
- Enter your height in centimeters (cm), or feet and inches when using US Units.
- Click the Calculate button.
- Your estimated ideal weight and healthy BMI weight range will appear in the results section.
Example
Age: 25 years
Gender: Male
Height: 180 cm
Robinson Formula: 72.6 kg
Miller Formula: 71.5 kg
Devine Formula: 75.0 kg
Hamwi Formula: 77.3 kg
Understanding Ideal Body Weight
Ideal body weight (IBW) is an estimated weight based mainly on height and gender. Different formulas can produce different results, so there is no single ideal weight that applies to everyone.
This calculator compares several popular ideal body weight formulas so you can see how the estimates differ rather than relying on one number.
Ideal Weight Formulas
| Formula | Purpose |
|---|---|
| Robinson (1983) | Estimates ideal body weight based on height and gender. |
| Miller (1983) | Provides another height-based ideal weight estimate. |
| Devine (1974) | A commonly referenced ideal body weight formula. |
| Hamwi (1964) | Estimates ideal weight using height and gender. |
| Healthy BMI Range | Estimates a weight range corresponding to a BMI of 18.5–24.9. |
Ideal Weight vs. Healthy Weight
An ideal weight formula is only an estimate and does not account for every factor that affects health. Muscle mass, body composition, age, genetics, and lifestyle can all influence what a healthy weight looks like for an individual.
The Healthy BMI Range shown by this calculator can provide an additional reference point, but BMI itself does not directly measure body fat or overall health.
Note: Ideal body weight calculations are estimates and should not be considered a medical recommendation. Different formulas may give different results. For personalized advice about a healthy weight, nutrition, or weight management, consult a qualified healthcare professional.
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