Baby Boy Weight Percentile Calculator

Welcome to the Baby Boy Weight Percentile Calculator! This tool helps estimate the percentile of a baby boy’s weight relative to other babies of the same gestational age.

Formula: The formula used for percentile calculation is a simplified hypothetical model. Percentile = ((Weight / (Weeks * Weeks)) * 1000) + 10

How to Use:

  1. Enter the baby’s weight in grams.
  2. Enter the baby’s gestational age in weeks.
  3. Click the “Calculate” button to get the estimated weight percentile.

Example: For instance, if a baby weighs 2500 grams and has a gestational age of 38 weeks, the calculator might output a percentile of around 40.23%.


  1. What is a baby weight percentile?
    • The baby weight percentile indicates how a baby’s weight compares to that of other babies at the same gestational age.
  2. Is this calculator accurate?
    • This calculator provides a rough estimate based on a simplified formula. Consult a healthcare professional for accurate assessments.
  3. Can I use this calculator for preterm babies?
    • Yes, you can use it for preterm babies, but keep in mind that the accuracy may vary.
  4. What is the significance of weight percentiles?
    • Weight percentiles help identify whether a baby’s growth is within a typical range or if there are concerns that need medical attention.
  5. How often should I check my baby’s weight percentile?
    • Follow your healthcare provider’s advice regarding the frequency of monitoring your baby’s growth.

Conclusion: The Baby Boy Weight Percentile Calculator is a handy tool for parents and healthcare providers to estimate a baby’s weight percentile based on gestational age. Remember that this is an estimation and not a substitute for professional medical advice. Always consult with healthcare professionals for accurate assessments of your baby’s growth.

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