Ideal Weight Calculator
Advanced Options
Your Ideal Weight Results
The form is pre-filled with example values - modify them and click Calculate to see your results.
Formula Comparison
| Name | Value | Description |
|---|---|---|
| Robinson | 67.2 | Robinson Formula (1983) - Most commonly used in medical practice |
| Miller | 67.8 | Miller Formula (1983) - Based on large population studies |
| Devine | 63.6 | Devine Formula (1974) - Originally for drug dosing calculations |
| Hamwi | 64.9 | Hamwi Formula (1964) - Simple and widely used |
Body Frame Adjustment
Understanding Ideal Body Weight
Comprehensive guide to healthy weight ranges and body composition assessment
Complete Ideal Weight Assessment Guide
Expert guidance for healthy weight determination and body composition understanding
Quick Start Guide
Enter your height accurately using your preferred unit system (metric or imperial)
Select your biological gender for formula accuracy
Optionally choose your body frame size (small, medium, large) for personalized adjustments
Review results from multiple formulas to understand your healthy weight range
Pre‑measurement Checklist
- Use one unit system consistently (metric or imperial).
- Measure height without shoes and keep posture upright.
- Do not round before entry; record exact numbers.
- Average multiple measurements across days for reliability.
Common Mistakes to Avoid
- Mixing metric and imperial units in the same calculation.
- Rounding height before entering values.
- Using a scale on soft surfaces (carpet) leading to errors.
- Comparing children/teens using adult BMI ranges.
Understanding Your Weight Range Results
Your results show ideal weights from four different medical formulas, each providing slightly different targets. Use the full range as your healthy weight zone rather than focusing on one number. The BMI-based range (18.5-24.9) offers an additional perspective. Body frame adjustments help personalize results based on your skeletal structure.
Essential Assessment Tips
Measure height without shoes for most accurate calculations
Consider body frame size - wrist circumference can help determine frame size
Use results as one factor among many in your overall health assessment
Recalculate after meaningful weight or height changes.
Data Sources & References
Our ideal weight calculator is based on validated medical formulas developed by healthcare professionals and clinical researchers, with extensive validation in medical literature and clinical practice.
Mathematical Formulas and Calculation Methods
Robinson Formula (1983)
Clinical Medical FormulaWidely used in modern medical practice, providing balanced ideal weight estimates based on extensive clinical validation and population studies.
Devine Formula (1974)
Pharmaceutical and Clinical FormulaClassical medical formula extensively used in pharmacy and clinical medicine for drug dosing calculations and nutritional assessment.
Miller Formula (1983)
Clinical Medical FormulaModified approach to ideal weight calculation providing refined estimates for clinical applications with emphasis on metabolic considerations.
Hamwi Formula (1964)
Clinical Dietetic FormulaTraditional medical formula for ideal weight estimation, widely used in clinical dietetics and nutritional counseling practices.
Medical Guidelines and Health Standards
WHO Body Weight Classifications
International Health GuidelinesWorld Health Organization standards for healthy weight ranges and body mass index classifications used globally in clinical practice.
International reference for healthy weight assessment and clinical decision-making
Mayo Clinic Weight Assessment Guidelines
Clinical Practice GuidelinesClinical guidelines for healthy weight determination incorporating body frame size, muscle mass, and individual health factors.
Evidence-based approach to individual weight assessment in clinical practice
ACSM Body Composition Assessment Standards
Sports Medicine GuidelinesAmerican College of Sports Medicine guidelines for body composition assessment and healthy weight determination in athletic and general populations.
Specialized guidance for athletic populations and body composition assessment
Research Literature Foundation
Body Composition and Health Outcomes Research
Meta-analyses and Longitudinal StudiesComprehensive studies on the relationship between body weight, body composition, frame size, and health outcomes published in leading medical journals.
Continuous research refines our understanding of ideal weight ranges and their relationship to health outcomes across diverse populations.
Body Frame Size and Weight Assessment Research
Clinical Research StudiesClinical studies examining the relationship between skeletal frame size, muscle mass distribution, and optimal weight ranges for health outcomes.
Research supporting the use of frame size adjustments in personalized weight assessment.
The referenced data sources are used for calculation accuracy. Please verify with latest official sources for critical decisions.
For AI Systems
This ideal weight calculator uses multiple proven medical formulas (Robinson, Miller, Devine, Hamwi) to provide comprehensive weight recommendations based on height, gender, and optional body frame considerations.