1. What is the Body Fat Percentage Formula?

The Body Fat Percentage formula estimates body fat percentage from BMI, age, and gender. It provides a quick assessment of body composition using easily measurable parameters.

2. How Does the Calculator Work?

The calculator uses the Body Fat Percentage formula:

Where:

• \( BMI \) — Body Mass Index (kg/m²)
• \( Age \) — Age in years
• \( gender \) — 1 for male, 0 for female

Explanation: The equation accounts for the relationship between BMI, age, gender and body fat percentage, with different coefficients for each factor.

3. Importance of Body Fat Calculation

Details: Body fat percentage is a key indicator of health and fitness, more accurate than BMI alone for assessing body composition and health risks.

4. Using the Calculator

Tips: Enter BMI in kg/m², age in years, and select gender. All values must be valid (BMI > 0, age between 1-120).

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this formula?
A: It provides a reasonable estimate but may not be as accurate as methods like DEXA scans or skinfold measurements.

Q2: What are healthy body fat percentages?
A: For men: 6-24%, For women: 16-30%. Athletes typically have lower percentages.

Q3: Why does gender affect the calculation?
A: Women naturally have higher essential body fat percentages than men.

Q4: Are there limitations to this formula?
A: Less accurate for very muscular individuals, elderly, or those with unusual body compositions.

Q5: Should I use this for fitness goals?
A: It can provide a general guideline, but more precise measurements may be needed for serious fitness tracking.