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Several formulas have been developed over the years to estimate ideal weight. Each has its own approach and may be more appropriate for different populations or purposes:
Developed by Dr. B.J. Devine, this formula was originally created for calculating medication dosages and is widely used in clinical settings.
An update to the Devine formula, providing a more moderate estimate that better reflects average healthy weights.
Based on more extensive population studies, this formula often provides results closer to actual average weights of healthy individuals.
One of the earliest formulas for ideal weight calculation, developed by Dr. G.J. Hamwi.
Based on achieving a BMI of 22, which is in the middle of the healthy BMI range (18.5-24.9). This approach uses a simple calculation that works for all genders.
Body frame size refers to the overall bone structure of your body and can influence what weight is considered "ideal" for your height. People with larger frames may naturally weigh more due to heavier bone structure, while those with smaller frames may naturally weigh less.
Measure the circumference of your wrist at the smallest point:
For Women:
• Small: Wrist size less than 5.5 inches
• Medium: Wrist size 5.5 to 5.75 inches
• Large: Wrist size over 5.75 inches
For Men:
• Small: Wrist size less than 6.5 inches
• Medium: Wrist size 6.5 to 7.5 inches
• Large: Wrist size over 7.5 inches
Extend your arm forward and bend the elbow at a 90-degree angle with palm facing up. Use calipers or a ruler to measure the distance between the two prominent bones on either side of your elbow.
For Women:
• Small: Elbow measurement less than 2.25 inches
• Medium: Elbow measurement 2.25 to 2.5 inches
• Large: Elbow measurement over 2.5 inches
For Men:
• Small: Elbow measurement less than 2.5 inches
• Medium: Elbow measurement 2.5 to 2.75 inches
• Large: Elbow measurement over 2.75 inches
Once you've determined your frame size, you can adjust your ideal weight expectations. Generally, people with smaller frames may aim for the lower end of ideal weight ranges, while those with larger frames may consider the upper end of these ranges as more appropriate.
While ideal weight calculations can be useful guidelines, they have several limitations and should be considered alongside other factors:
Muscle weighs more than fat, so athletic individuals may weigh more than formulas suggest
Most formulas were developed using primarily Caucasian populations
Weight distribution and body composition change with age
Personal health conditions may affect ideal weight
Measures fat, muscle, bone, and water percentages
Indicator of central body fat distribution and health risk
Evaluate strength, endurance, flexibility, and cardio health
Blood pressure, cholesterol, blood sugar, and other indicators
A Holistic Approach
Rather than focusing solely on achieving a specific weight number, consider:
• How you feel physically and mentally
• Your energy levels throughout the day
• Your ability to perform daily activities and exercise
• Health indicators like blood pressure and bloodwork results
• Long-term health and sustainability of your lifestyle
Always consult with a healthcare provider for personalized weight recommendations, especially if you have underlying health conditions or specific health goals.
This video explains different approaches to determining ideal weight, the limitations of traditional formulas, and how to consider body composition for a more holistic understanding of weight management.
Running time: 5-10 minutes | Topics: ideal weight formulas, body composition, healthy weight ranges
Healthy weights can vary significantly between individuals
Muscle weighs more than fat but contributes to better health
Regular physical activity and balanced nutrition
Natural variations occur due to hydration, hormones, etc.
Weight, body measurements, how clothes fit, energy levels