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Body Fat Percentage Calculator Children

Body Fat Percentage Formula:

\[ \text{Body Fat %} = 1.51 \times \text{BMI} - 0.70 \times \text{age} - 3.6 \times \text{sex} + 1.4 \]

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1. What is Body Fat Percentage?

Body fat percentage is the proportion of fat to total body weight. For children, monitoring body fat percentage helps assess growth, development, and overall health status.

2. How Does the Calculator Work?

The calculator uses the following formula:

\[ \text{Body Fat %} = 1.51 \times \text{BMI} - 0.70 \times \text{age} - 3.6 \times \text{sex} + 1.4 \]

Where:

Explanation: This equation estimates body fat percentage based on BMI, age, and gender, providing a quick assessment tool for children.

3. Importance of Body Fat Percentage

Details: Monitoring body fat percentage in children helps identify potential health risks, track growth patterns, and guide nutritional and physical activity recommendations.

4. Using the Calculator

Tips: Enter BMI (calculated as weight in kg divided by height in meters squared), age in years, and select gender. All values must be valid (BMI > 0, age between 2-18).

5. Frequently Asked Questions (FAQ)

Q1: Why is body fat percentage important for children?
A: It helps assess healthy growth patterns and identify potential risks for obesity-related health issues.

Q2: What are healthy body fat percentages for children?
A: Healthy ranges vary by age and gender, but generally fall between 10-20% for boys and 15-25% for girls.

Q3: How accurate is this calculation method?
A: While useful for screening, it provides an estimate. More precise methods like DEXA scans may be needed for clinical assessment.

Q4: At what age can this calculator be used?
A: This formula is designed for children aged 2-18 years.

Q5: How often should body fat be measured in children?
A: Regular monitoring during annual check-ups can help track growth and development patterns.

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