What is Ideal Body Weight?
Ideal body weight (IBW) is the optimal weight range for health and longevity. Multiple formulas exist, each developed from different population studies. This calculator shows results from four major formulas and their average.
The Four Formulas
Robinson (1983): Based on life insurance data
Miller (1983): Modified version of Robinson
Devine (1974): Developed for drug dosing
Hamwi (1964): Quick estimate for clinical use
Using Your Results
The average of these formulas provides a good target range. Remember that ideal weight varies with body frame, muscle mass, and individual health factors. Consult a healthcare provider for personalized guidance.
Quick Tips
- BMI alone doesn't reflect overall health
- TDEE varies based on activity level
- Consult a healthcare professional for medical decisions
Frequently Asked Questions
No single formula is perfect. The average of multiple formulas provides the best estimate.
Each was developed from different populations and for different purposes.
Ideal weight is a range. Healthy weight depends on multiple factors including muscle mass and body composition.
Use it as a general guide, but focus more on body composition and overall health.
Set realistic, gradual goals. Aim for 0.5-1kg per week for sustainable weight loss.