Body Fat Calculator

Estimate body fat percentage using the U.S. Navy circumference method. Use centimeters (cm). Weight is optional for fat/lean mass.

If provided, we’ll calculate fat mass and lean mass.

Results

Body fat:
Fat mass:
Lean mass:

Method

This uses the U.S. Navy body fat estimation equations. Results are approximate.

About This Calculator

The Body Fat Calculator estimates your body fat percentage using various methods including the U.S. Navy method and skinfold measurements. It provides a more complete picture of body composition than BMI alone.

How to Use

  1. Select the calculation method
  2. Enter the required measurements (neck, waist, hips, etc.)
  3. Enter your height and gender
  4. Click Calculate to see your estimated body fat percentage

Practical Use Cases

  • Fitness Tracking: Monitor body composition changes
  • Athletic Training: Optimize performance through body composition
  • Weight Loss: Focus on fat loss rather than just weight
  • Health Assessment: Evaluate cardiovascular disease risk
  • Bodybuilding: Track progress during cutting and bulking phases

? Frequently Asked Questions

How accurate is this

This calculator uses standard formulas and provides accurate results for typical use cases. For professional or critical applications, always verify results with certified professionals or official sources.

Is this calculator free to use?

Yes, this Body Fat Calculator • Health • Calculator is completely free to use with no registration required. You can use it as many times as needed without any limitations.

Can I use this on mobile devices?

Absolutely! This calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.

How do I interpret the results?

The results are displayed clearly with appropriate units. Refer to the About This Calculator section for detailed information.