Body Fat Percentage Calculator

Body Fat Percentage Formula (Male):

\[ \text{Body Fat %} = (1.20 \times \text{BMI}) + (0.23 \times \text{Age}) - 16.2 \]

Body Fat Percentage:

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1. What is a Body Fat Percentage Calculator?

Definition: This calculator estimates body fat percentage based on BMI, age, and gender using established formulas.

Purpose: It helps individuals assess their body composition and health status.

2. How Does the Calculator Work?

The calculator uses different formulas for males and females:

Male: \[ \text{Body Fat %} = (1.20 \times \text{BMI}) + (0.23 \times \text{Age}) - 16.2 \]
Female: \[ \text{Body Fat %} = (1.20 \times \text{BMI}) + (0.23 \times \text{Age}) - 5.4 \]

Where:

BMI — Body Mass Index (weight in kg / height in m²)
Age — In years

Explanation: The formula accounts for the relationship between BMI, age, and typical body fat distribution.

3. Importance of Body Fat Percentage

Details: Body fat percentage is a better health indicator than weight alone, helping assess fitness levels and health risks.

4. Using the Calculator

Tips: Enter your BMI (calculate separately if unknown), age, and gender. For accurate results, use a properly calculated BMI value.

5. Frequently Asked Questions (FAQ)

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

Q2: What's a healthy body fat percentage?
A: For men: 6-24%, women: 16-30% (varies by age and fitness level).

Q3: Why different formulas for genders?
A: Women naturally carry more essential body fat than men.

Q4: Can I use this if I'm very muscular?
A: This method may overestimate body fat for highly muscular individuals.

Q5: What if I don't know my BMI?
A: Use our BMI Calculator first, or calculate as weight(kg)/height(m)².