Introduction

The Body Fat Percentage Calculator estimates body fat percentage based on gender, age, weight, waist circumference, and neck circumference. It uses established formulas and categorizes body fat into industry-standard categories.

This calculator is designed to provide accurate estimates of body fat percentage for health and fitness assessment purposes. It generates informative reports and includes educational content on body fat categories.

Features

• Input fields for gender, age, weight, waist circumference, and neck circumference.
• Calculates body fat percentage using gender-specific equations.
• Displays body fat category (Essential fat, Athletes, Fitness, Average, Obese) based on calculated percentage.
• Generates a downloadable PDF report summarizing results and providing educational content.
• Includes a table of body fat categories for reference and additional information on body fat percentage implications.

Usage

1. Fill in the required fields (gender, age, weight, waist circumference, neck circumference).
2. Click "Calculate Body Fat Percentage" to obtain results.
3. View the calculated body fat percentage, category, and detailed information.
4. Optionally, download a PDF report for comprehensive record-keeping and analysis.

Formulas

Body Fat Percentage (BFP) formula for males:

USC Units: BFP = 86.010 × log10(waist - neck) - 70.041 × log10(weight) + 36.76

SI, Metric Units: BFP = 495 / (1.0324 - 0.19077 × log10(waist - neck) + 0.15456 × log10(height)) - 450

Body Fat Percentage (BFP) formula for females:

USC Units: BFP = 163.205 × log10(waist - neck + hip) - 97.684 × log10(weight) - 78.387

SI, Metric Units: BFP = 495 / (1.29579 - 0.35004 × log10(waist - neck + hip) + 0.22100 × log10(height)) - 450

Educational Content

The Body Fat Percentage Calculator provides insights into body fat categories and their implications for health and fitness. It includes educational content on:

• American Council on Exercise Body Fat Categorization
• Jackson & Pollock Ideal Body Fat Percentages
• Body Fat, Overweight, and Obesity
• Measuring Body Fat Percentage
• Potential Complications of Excess Body Fat

References

• American Council on Exercise
• Jackson & Pollock
• World Health Organization (WHO)
• Centers for Disease Control and Prevention (CDC)
• U.S. Navy Method