1. What is a Body Fat Calculator?

Definition: This calculator estimates body fat percentage using the U.S. Navy method based on body circumference measurements.

Purpose: It helps individuals assess their body composition and track fitness progress.

2. How Does the Calculator Work?

The calculator uses different formulas for men and women:

Explanation: These formulas correlate circumference measurements with body fat percentage based on Navy research.

3. Importance of Body Fat Measurement

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

4. Using the Calculator

Tips: Measure circumferences at the correct locations (neck narrowest point, waist at navel, hips widest point for women).

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this method?
A: The Navy method is reasonably accurate (±3%) for most people but less accurate for very lean or obese individuals.

Q2: Why different formulas for men and women?
A: Women naturally carry more body fat, especially in hip/thigh areas, requiring different calculation methods.

Q3: When should I measure?
A: Measure in the morning before eating, with the tape measure snug but not compressing the skin.

Q4: What's a healthy body fat percentage?
A: For men: 6-24%, women: 16-30%, depending on age and fitness level.

Q5: Can I use centimeters instead of inches?
A: The formulas are designed for inches. Convert cm to inches (1 inch = 2.54 cm) before calculating.