⚖️ Ideal Weight Calculator
Find your ideal body weight using Devine, Miller, Robinson, and Hamwi formulas. Get personalized healthy weight ranges based on height, gender, and frame size.
Sample Height
5'8" (173 cm)
Avg Male Ideal
154-166 lbs
Avg Female Ideal
143-155 lbs
4 Formulas
Devine, Miller, Robinson, Hamwi
Your Details
Frame size affects ideal weight range
Wrist Circumference (Optional)
Measure around the smallest part of your wrist for accurate frame size.
Your Ideal Weight Range
Based on 4 FormulasHealthy Weight Range
For a 5'8" (173 cm) male with medium frame
Comparison by Formula
| Formula | Ideal Weight | Range | Method |
|---|---|---|---|
| Devine | 166 lbs | 149-183 lbs | Common |
| Miller | 158 lbs | 142-174 lbs | Recent |
| Robinson | 154 lbs | 139-169 lbs | Conservative |
| Hamwi | 160 lbs | 144-176 lbs | Simple |
Healthy Weight Categories
Health Implications
Staying within the normal weight range reduces risk of heart disease, diabetes, and joint problems.
Recommendations
Maintain a balanced diet with regular exercise. Include strength training to build muscle.
Frame Size Reference
Men (wrist size):
Small: < 7" (18 cm)
Medium: 7-7.5" (18-19 cm)
Large: > 7.5" (19 cm)
Women (wrist size):
Small: < 6" (15 cm)
Medium: 6-6.5" (15-16.5 cm)
Large: > 6.5" (16.5 cm)
Devine Formula
Men: 50 kg + 2.3 kg per inch over 5ft. Women: 45.5 kg + 2.3 kg per inch over 5ft. Most commonly used in medicine.
Miller Formula
Men: 56.2 kg + 1.41 kg per inch over 5ft. Women: 53.1 kg + 1.36 kg per inch over 5ft. More recent formula (1983).
Frame Size Adjustment
Small frame: subtract 10%, Large frame: add 10% to the calculated ideal weight for more personalized results.
❓ Frequently Asked Questions
What is the most accurate formula?
No single formula is universally "best." Devine is most common in clinical settings, Miller is more recent, Robinson is conservative. The true "ideal" weight varies by individual body composition, muscle mass, and frame size.
How do I measure my frame size?
Measure your wrist circumference at the smallest point. For men: small (< 7"), medium (7-7.5"), large (> 7.5"). For women: small (< 6"), medium (6-6.5"), large (> 6.5"). This helps adjust ideal weight calculations.
Should I use ideal weight or BMI?
Both are useful. BMI gives a health risk category, while ideal weight provides a specific target range. Athletes with high muscle mass may exceed ideal weight but be healthy. Use multiple measures for best assessment.