Ideal Weight Calculator
Calculate your ideal body weight using proven medical formulas. Find your healthy weight range based on height, gender, and body frame size.
Personal Information
Small: narrow shoulders/hips, Medium: average build, Large: broad shoulders/hips
Some formulas adjust for age-related changes
Ideal Weight Results
Formula Results
BMI Information
Formula Explanations
Hamwi Formula (1964)
One of the most widely used formulas in clinical settings. Based on height with adjustments for gender.
Men: 106 + 6 × (height in inches - 60)
Women: 100 + 5 × (height in inches - 60)
Devine Formula (1974)
Developed for drug dosage calculations but widely used for ideal weight. Similar to Hamwi but with slight variations.
Men: 110 + 5 × (height in inches - 60)
Women: 101 + 4.5 × (height in inches - 60)
Robinson Formula (1983)
Modified version of Devine formula with different base weights and multipliers for better accuracy.
Men: 114 + 4 × (height in inches - 60)
Women: 108 + 3.5 × (height in inches - 60)
Miller Formula (1983)
Another modification of the Devine formula with adjusted base weights for improved accuracy.
Men: 123 + 3.1 × (height in inches - 60)
Women: 116 + 2.9 × (height in inches - 60)
Understanding Body Frame Size
Small Frame
- • Narrow shoulders and hips
- • Small wrist circumference
- • Lean muscle mass
- • Lower end of weight range
Ideal weight: -10% adjustment
Medium Frame
- • Average shoulder and hip width
- • Medium wrist circumference
- • Balanced proportions
- • Standard weight calculations
Ideal weight: No adjustment
Large Frame
- • Broad shoulders and hips
- • Large wrist circumference
- • More muscle mass
- • Higher end of weight range
Ideal weight: +10% adjustment
How to Determine Your Frame Size
Wrist Measurement Method
Measure your wrist circumference at the narrowest point.
Men:
Small: < 6.5", Medium: 6.5-7.5", Large: > 7.5"
Women:
Small: < 6", Medium: 6-6.5", Large: > 6.5"
Elbow Breadth Method
Extend your arm and measure the width of your elbow joint.
Compare measurement to standard tables based on height.
This method is more accurate but requires proper measurement technique.
Important Considerations
Individual Variations
Ideal weight formulas provide general guidelines but don't account for muscle mass, bone density, or body composition. Athletes may weigh more than their "ideal" weight due to muscle mass.
Health vs. Appearance
Focus on overall health rather than reaching a specific number on the scale. A healthy lifestyle with proper nutrition and exercise is more important than achieving an exact weight.
Age Considerations
As people age, muscle mass typically decreases and body fat increases. Some weight gain with age can be normal and doesn't necessarily indicate poor health.
Professional Guidance
Consult with healthcare professionals for personalized weight management advice, especially if you have health conditions or are significantly over or under the calculated ideal weight.
Related Calculators
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Body Fat Calculator
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Calorie Calculator
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