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Percent of Body Fat Calculator

Body Fat Percentage Formula:

\[ \text{Body Fat \%} = \left( \frac{\text{Fat Mass}}{\text{Total Weight}} \right) \times 100 \]

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1. What is Body Fat Percentage?

Definition: Body fat percentage is the proportion of fat mass to total body weight, expressed as a percentage.

Purpose: It provides a more accurate measure of body composition than weight alone, helping assess health and fitness levels.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{Body Fat \%} = \left( \frac{\text{Fat Mass}}{\text{Total Weight}} \right) \times 100 \]

Where:

Explanation: The fat mass is divided by total weight to get the proportion, then multiplied by 100 to convert to percentage.

3. Importance of Body Fat Percentage

Details: Knowing your body fat percentage helps in:

4. Using the Calculator

Tips:

5. Frequently Asked Questions (FAQ)

Q1: What's a healthy body fat percentage?
A: Varies by gender and age, but generally 14-24% for men and 21-31% for women is considered healthy.

Q2: How can I measure my fat mass?
A: Methods include skinfold calipers, bioelectrical impedance scales, DEXA scans, or hydrostatic weighing.

Q3: Why use kg instead of pounds?
A: The metric system is standard for scientific measurements. You can convert pounds to kg by dividing by 2.205.

Q4: How often should I check my body fat percentage?
A: Monthly measurements are sufficient to track meaningful changes.

Q5: Can body fat percentage be too low?
A: Yes, essential fat is 2-5% for men and 10-13% for women. Going below these levels can cause health problems.

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