Ideal Weight Calculator
Estimate your clinically recommended target weight range using Devine, Robinson, and Miller clinical formulas.
Find your healthy baseline body mass based on validated height-to-weight clinical benchmarks.
Enter Stature Parameters
Consensus Target Range
Healthy baseline spectrum across clinical formulas.
Understanding Ideal Body Weight
Ideal Body Weight (IBW) formulas establish a reference healthy weight based on standing height for medical dosing and target weight assessments.
Clinical Formula Equations
Base targets assume 5 feet (60 inches) stature baseline plus an inch multiplier:
Formula Standard Comparison
| Formula | Male Base | Female Base |
|---|---|---|
| Devine | 50.0 kg + 2.3/in | 45.5 kg + 2.3/in |
| Robinson | 52.0 kg + 1.9/in | 49.0 kg + 1.7/in |
| Miller | 56.2 kg + 1.41/in | 53.1 kg + 1.36/in |
Key Considerations
- Devine Standard: Most widely used in clinical pharmacology and medical weight target guidelines.
- Muscle Mass Variations: Heavy muscular individuals may exceed IBW limits while remaining lean.
- Healthy Spectrum: Aiming for the range between formulas offers the most realistic personal target.
Frequently Asked Questions
What is Ideal Body Weight (IBW)?
Ideal Body Weight represents a statistical baseline weight estimated to support optimal physiological health for a given height and biological sex.
Why do different formulas give different results?
Different clinical equations (Devine, Robinson, Miller) were developed in different years using slightly different base weights and per-inch scaling factors.
How does IBW relate to BMI?
IBW target ranges generally align with the WHO normal Body Mass Index (BMI) spectrum of 18.5 to 24.9 kg/m².