Weight Loss Percentage Calculator Newborn



Weight loss percentage is a crucial metric for tracking progress on a fitness journey, and it becomes particularly significant when monitoring the health of newborns. Calculating weight loss percentage allows caregivers and health professionals to assess the well-being of infants. In this article, we’ll provide a simple and effective Weight Loss Percentage Calculator for newborns using HTML and JavaScript.

How to Use

To use the calculator, enter the initial weight and the current weight of the newborn in the respective input fields. Click the “Calculate” button to obtain the weight loss percentage.


The weight loss percentage is calculated using the formula:

Weight Loss Percentage=(Initial Weight – Current Weight Initial Weight)×100

This formula provides an accurate representation of the weight loss percentage.


Suppose the initial weight of the newborn is 4.5 kg, and the current weight is 4.0 kg. Applying the formula:

Weight Loss Percentage=(4.5−4.04.5)×100=11.11%

Thus, the weight loss percentage is 11.11%.


Q1: Why is weight loss percentage important for newborns?

A1: Weight loss percentage is crucial in assessing the health and development of newborns, ensuring they are thriving and meeting growth milestones.

Q2: When should caregivers be concerned about weight loss percentage?

A2: Consult a healthcare professional if the weight loss percentage exceeds the recommended range or if there are other signs of health issues.


The Weight Loss Percentage Calculator for newborns provides a valuable tool for caregivers and healthcare providers to monitor the health and development of infants. Regularly tracking weight loss percentage aids in early detection of any potential issues, allowing for prompt intervention.

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