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Ideal Weight Calculator

Calculate your ideal body weight using multiple scientific formulas including Robinson, Devine, Hamwi, and Miller methods

Average Ideal Weight
66
kg
Based on 4 scientific formulas
Robinson (1983)
65.2 kg
Most commonly used
Devine (1974)
65.9 kg
Medical standard
Hamwi (1964)
66.7 kg
Quick estimation
Miller (1983)
66.0 kg
Alternative method

Healthy Weight Range (BMI 18.5-25)

Minimum
53.5 kg
BMI 18.5
Optimal
63.6 kg
BMI 22
Maximum
72.3 kg
BMI 25

Healthy Range: 53.5 kg - 72.3 kg

This range represents a healthy BMI between 18.5 and 25

Formula Comparison

📋 About the Formulas

Robinson Formula (1983)

Males: 52 kg + 1.9 kg per inch over 5 feet
Females: 49 kg + 1.7 kg per inch over 5 feet

Most commonly cited formula in modern literature

Devine Formula (1974)

Males: 50 kg + 2.3 kg per inch over 5 feet
Females: 45.5 kg + 2.3 kg per inch over 5 feet

Originally developed for drug dosing calculations

Hamwi Formula (1964)

Males: 48 kg + 2.7 kg per inch over 5 feet
Females: 45.5 kg + 2.2 kg per inch over 5 feet

Quick estimation method, easy to calculate mentally

Miller Formula (1983)

Males: 56.2 kg + 1.41 kg per inch over 5 feet
Females: 53.1 kg + 1.36 kg per inch over 5 feet

Alternative method developed alongside Robinson

⚠️ Important Notes

  • These formulas provide general estimates and may not account for body composition, muscle mass, or bone density
  • Athletes and bodybuilders may have higher ideal weights due to muscle mass
  • Older adults may benefit from slightly higher weights for bone health
  • These formulas are designed for adults and may not be accurate for children or adolescents
  • The healthy weight range (BMI 18.5-25) is often more useful than a single number
  • Consult with healthcare professionals for personalized weight recommendations
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