Ideal Body Weight Formulas:
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Definition: Ideal Body Weight (IBW) is an estimate of healthy weight range for children based on height and gender.
Purpose: Used by healthcare providers to assess growth, nutritional status, and to guide medication dosing.
The calculator uses these formulas:
Where:
Note: These formulas are for children over 5 feet (60 inches) tall. For shorter children, different methods may be needed.
Clinical Use: Helps identify underweight or overweight status, assess nutritional needs, and calculate appropriate medication doses.
Instructions: Enter the child's height in inches and select gender. The calculator will estimate ideal body weight in kilograms.
Q1: What age is this calculator appropriate for?
A: These formulas are typically used for adolescents and adults. For younger children, growth charts are more appropriate.
Q2: How do I convert height from cm to inches?
A: Divide centimeters by 2.54 to get inches (1 inch = 2.54 cm).
Q3: Why are there different formulas for boys and girls?
A: Boys typically have more muscle mass at the same height, resulting in slightly higher ideal weights.
Q4: What if my child is shorter than 60 inches?
A: Consult a pediatrician or use age-specific growth charts for more accurate assessment.
Q5: How accurate is this calculation?
A: This provides an estimate. Individual factors like body composition and frame size may affect actual ideal weight.