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Body Fat Percentage Skin Fold Calculator

Body Fat Calculation Formula:

For Males: Body Density = 1.10938 - (0.0008267 × sum) + (0.0000016 × sum²) - (0.0002574 × age)
Body Fat % = (495 / BD) - 450

mm
years

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1. What is Body Fat Percentage?

Body fat percentage is the total mass of fat divided by total body mass, expressed as a percentage. It is a key indicator of health and fitness, providing more accurate information than body weight alone.

2. How Does the Calculator Work?

The calculator uses the skinfold measurement formula for males:

Body Density = 1.10938 - (0.0008267 × sum) + (0.0000016 × sum²) - (0.0002574 × age)
Body Fat % = (495 / BD) - 450

Where:

Explanation: This method estimates body density from skinfold measurements, which is then converted to body fat percentage using the Siri equation.

3. Importance of Body Fat Measurement

Details: Monitoring body fat percentage helps assess health risks, track fitness progress, and guide nutrition and exercise programs. High body fat is associated with increased risk of various health conditions.

4. Using the Calculator

Tips: Enter the sum of skinfold measurements in millimeters and age in years. Ensure accurate skinfold measurements taken at standard sites (typically chest, abdomen, and thigh for males).

5. Frequently Asked Questions (FAQ)

Q1: What are the standard skinfold measurement sites?
A: For males, common sites include chest, abdomen, and thigh. Measurements should be taken on the right side of the body.

Q2: How accurate is the skinfold method?
A: When performed by a trained professional, skinfold measurements can be within 3-4% accuracy compared to more advanced methods like DEXA scans.

Q3: What is a healthy body fat percentage range?
A: For adult males: Essential fat 2-5%, Athletes 6-13%, Fitness 14-17%, Average 18-24%, Obese 25%+.

Q4: How often should body fat be measured?
A: Every 4-8 weeks is sufficient to track changes. More frequent measurements may not show significant changes.

Q5: Are there limitations to this method?
A: Accuracy depends on proper technique, may be less accurate for very lean or obese individuals, and requires consistency in measurement locations.

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