Santé et Fitness

Free Ideal Body Weight (IBW) Calculator

Ideal Body Weight (IBW) formulas were originally developed by clinical researchers to calculate proper medication dosages, nutritional requirements, and healthy weight targets. Our free ideal body weight calculator provides comprehensive medical estimates. Compare Devine, Robinson, Miller, and Hamwi formulas, view healthy BMI weight ranges (18.5 - 24.9), and use our healthy weight range finder to establish realistic body composition goals.

Ideal Body Weight (IBW) Calculator

Calculate ideal body weight using Devine, Robinson, Miller, and Hamwi medical formulas

Equivalent: 5 ft 10 in
Ideal Body Weight (Devine Formula)
73.2 kg(161.3 lbs)
Medical Formula Comparison:
Robinson Formula (1983):71.1 kg (156.9 lbs)
Miller Formula (1983):70.4 kg (155.2 lbs)
Hamwi Formula (1964):75.2 kg (165.8 lbs)
Healthy BMI Range (18.5 - 24.9):58.6 - 78.9 kg

Mathematical Formulas & Calculation Methods

Devine Formula (Standard Medical IBW)

The gold-standard IBW formula used in clinical pharmacology.

Men: 50 kg + 2.3 kg per inch > 5 ft | Women: 45.5 kg + 2.3 kg per inch > 5 ft

Worked Step-by-Step Examples

Example 1: Ideal Body Weight for a 5 ft 10 in (178 cm) Male

"Calculate IBW using Devine formula and healthy BMI range."

Steps:

  • Height = 5 ft 10 in (10 inches over 5 ft). Gender = Male.
  • Devine IBW = 50 kg + (2.3 × 10) = 50 + 23 = 73.0 kg (160.9 lbs).
  • Healthy BMI Range (18.5 - 24.9) for 1.78m = 58.6 kg to 78.9 kg (129.2 to 173.9 lbs).
Result: Devine IBW = 73.0 kg / 160.9 lbs (Healthy Range: 58.6 - 78.9 kg)

What is Calculateur de Ideal Body Weight (IBW)?

The devine formula ideal weight is widely utilized in clinical settings to estimate lean mass and baseline physiological targets.

An ideal weight by height and age tool provides a baseline reference, though muscular athletes may naturally weigh more due to lean muscle mass density.

How to Use Calculateur de Ideal Body Weight (IBW)

  1. 1Select Gender (Male or Female).
  2. 2Enter Height in centimeters (cm).
  3. 3Review calculated ideal body weight across Devine, Robinson, Miller, and Hamwi formulas.

Key Features

  • Includes 4 recognized medical formulas: Devine (1974), Robinson (1983), Miller (1983), Hamwi (1964).
  • Includes healthy BMI weight range boundaries (18.5 - 24.9).
  • Displays weight results in both kilograms (kg) and pounds (lbs).

Benefits of Using Calculateur de Ideal Body Weight (IBW)

Provides realistic baseline weight targets for wellness and fitness planning.
Helps individuals understand variations between different medical body weight formulas.

Practical Use Cases

Fitness & Wellness Seekers

Establish baseline healthy weight goals based on medical formulas.

Frequently Asked Questions

Why do different IBW formulas yield slightly different weight results?

Different clinical researchers derived their formulas from different study populations and baseline assumptions regarding frame size and muscle distribution.

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