❤️ Health
Ideal Weight Calculator
Find your ideal body weight range using four widely-used medical formulas.
yr
ft
in
lbs
Healthy Weight Range (BMI 18.5–24.9)
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—
By Formula
Hamwi
—
Devine
—
Robinson
—
Miller
—
⚠️ These formulas provide estimates based on height and sex only. Factors like muscle mass, bone density, age, and ethnicity are not considered. Consult your healthcare provider for personalized guidance.
Ideal weight formulas
All four formulas use a base weight at 5 feet then add per-inch amounts for additional height. The results are guidelines — not medical prescriptions.
Hamwi (M): 106 lb + 6 lb per inch over 5ft
Hamwi (F): 100 lb + 5 lb per inch over 5ft
Devine (M): 50 kg + 2.3 kg per inch over 5ft
Devine (F): 45.5 kg + 2.3 kg per inch over 5ft
Hamwi (F): 100 lb + 5 lb per inch over 5ft
Devine (M): 50 kg + 2.3 kg per inch over 5ft
Devine (F): 45.5 kg + 2.3 kg per inch over 5ft
The BMI-based healthy weight range (18.5–24.9) is the most commonly cited standard by the WHO and CDC, despite its known limitations.