Ideal Body Weight Calculator Paediatrics

The Ideal Body Weight Calculator for Pediatrics is a handy tool designed to estimate the optimal weight for children based on their age and height. This calculator follows a specific formula to provide accurate results, ensuring that healthcare professionals and parents can monitor a child’s growth effectively.

Formula: The formula used in this calculator is (height – 100 + age / 10) * 0.9, where height is in centimeters, age is in months, and the result is the ideal body weight in kilograms.

How to Use:

  1. Enter the child’s age in months.
  2. Input the child’s height in centimeters.
  3. Provide the current weight of the child in kilograms.
  4. Click the “Calculate” button to obtain the ideal body weight.

Example: Suppose a child is 36 months old, has a height of 90 cm, and weighs 12 kg. By using the calculator, you can determine the ideal body weight for this child.


  1. Q: How accurate is the Ideal Body Weight Calculator for Pediatrics? A: The calculator provides a reliable estimate based on the specified formula, but it’s essential to consult with a healthcare professional for personalized advice.
  2. Q: Can I use this calculator for teenagers? A: No, this calculator is specifically designed for pediatrics. For teenagers, different formulas may apply.
  3. Q: Is it necessary to consult a doctor before using the calculator? A: While the calculator is a useful tool, consulting a healthcare professional for accurate assessments is always recommended.
  4. Q: What units should I use for height and weight? A: Enter the height in centimeters and weight in kilograms for accurate results.
  5. Q: Can I use this calculator for premature infants? A: It’s best to consult with a neonatal specialist for accurate assessments in the case of premature infants.

Conclusion: The Ideal Body Weight Calculator for Pediatrics is a valuable resource for monitoring a child’s growth and nutritional needs. While it provides an estimate, professional medical advice should always be sought for comprehensive healthcare management.

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