Ideal Weight Calculator
Find your ideal weight range based on height, gender, and body frame using multiple scientific formulas
Calculator
Results
Your Ideal Weight Range
Based on your height, gender, age, and frame
Weight Category Visualization
<18.5
18.5-24.9
25-29.9
≥30
Formula Breakdown
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Fill out the form and click Calculate to see your ideal weight range
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Use ToolUnderstanding Ideal Weight
What is Ideal Weight?
Ideal weight refers to a weight range that is considered healthy based on various factors including height, gender, age, and body frame. Maintaining a weight within this ideal range is associated with lower risks of health problems and better overall wellbeing.
It's important to note that ideal weight is not a precise number but rather a range, as individual variations in body composition, muscle mass, and bone density all play a role in determining what's healthy for a specific person.
Calculation Formulas
Devine Formula
Developed in 1974 for medication dosage calculations:
- Men: 50 kg + 2.3 kg per inch over 5 feet
- Women: 45.5 kg + 2.3 kg per inch over 5 feet
Hamwi Formula
Created in 1964 for estimating ideal body weight:
- Men: 48 kg + 2.7 kg per inch over 5 feet
- Women: 45.5 kg + 2.2 kg per inch over 5 feet
Robinson Formula
Published in 1983:
- Men: 52 kg + 1.9 kg per inch over 5 feet
- Women: 49 kg + 1.7 kg per inch over 5 feet
Miller Formula
Created in 1983:
- Men: 56.2 kg + 1.41 kg per inch over 5 feet
- Women: 53.1 kg + 1.36 kg per inch over 5 feet
BMI-Based Method
Based on Body Mass Index (BMI) healthy range (18.5-24.9):
- Weight (kg) = BMI × [Height (m)]²
Body Frame Adjustments
The calculated ideal weight should be adjusted based on body frame size:
- Small Frame: Subtract 10% from calculated ideal weight
- Medium Frame: Use calculated ideal weight as is
- Large Frame: Add 10% to calculated ideal weight
Important Considerations
Limitations of Ideal Weight Formulas
- Don't account for muscle mass vs. fat mass
- May not apply equally to all ethnic groups
- Don't consider athletic body compositions
- Simplified approach to complex physiology
Beyond Weight
- Health encompasses more than just weight
- Physical fitness and metabolic health matter
- Body composition is as important as weight
- Consult healthcare professionals for personalized advice