kg weight ideal

Ideal Weight Calculator

Find your ideal weight range based on height, gender, and body frame using multiple scientific formulas

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Units:
Metric (cm/kg) Imperial (in/lb)

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Understanding 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