Ideal Weight Calculator

Calculate ideal body weight using Robinson, Devine, Hamwi, and Miller formulas.

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

Unit System

Gender

Height (cm)

Average Ideal Weight

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

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

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

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

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

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

•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