Body Fat Percent Calculator for Men

Body Fat Formula for Men:

\[ \text{Body Fat \%} = 495 / (1.0324 - 0.19077 \times \log_{10}(\text{waist} - \text{neck}) + 0.15456 \times \log_{10}(\text{height})) - 450 \]

Body Fat Percentage:

Definition: This calculator estimates body fat percentage using the US Navy method based on waist, neck, and height measurements.

Purpose: It helps men assess their body composition and fitness level without specialized equipment.

The calculator uses the US Navy body fat formula:

\[ \text{Body Fat \%} = 495 / (1.0324 - 0.19077 \times \log_{10}(\text{waist} - \text{neck}) + 0.15456 \times \log_{10}(\text{height})) - 450 \]

Where:

Explanation: The formula correlates these measurements with body fat percentage through statistical analysis.

Details: Body fat percentage is a better health indicator than BMI, helping assess fitness level and health risks.

Tips:

Q1: How accurate is this method?
A: It's about ±3% accurate compared to more precise methods like DEXA scans.

Q2: What's a healthy body fat percentage for men?
A: 6-24% is typical: Athletes 6-13%, Fitness 14-17%, Average 18-24%, Obese 25%+.

Q3: Can I use centimeters instead of inches?
A: No, the formula requires inches. Convert cm to inches by dividing by 2.54.

Q4: Why doesn't it ask for weight?
A: The US Navy method uses circumference measurements which correlate better with body fat.

Q5: How often should I measure?
A: Every 2-4 weeks to track progress, at the same time of day for consistency.