Body Fat Percentage Calculator
Estimate your body fat percentage using the U.S. Navy method. Enter your measurements to get an accurate estimate.
How Body Fat Percentage Calculation Works
The formula used is: U.S. Navy method using circumference measurements. Our calculator computes body fat percentage instantly based on your inputs.
All calculations are performed in your browser for instant results. No data is stored or sent to any server.
When to Use This Calculator
Use this body fat percentage calculator whenever you need to quickly compute body fat percentage. It is useful for students, professionals, and anyone who needs fast, accurate results without manual computation.
Frequently Asked Questions
What is a healthy body fat percentage?
For men, 10-20% is considered fit, 21-24% acceptable. For women, 18-28% is fit, 25-31% acceptable. Essential fat minimums are ~3% for men and ~12% for women.
Is the Navy method accurate?
The Navy method is accurate within ±3-4% for most people. For more precise measurements, consider DEXA scans or hydrostatic weighing.
How can I reduce body fat?
Combine a moderate calorie deficit with resistance training and adequate protein intake (1.6-2.2g per kg). Aim to lose 0.5-1% body fat per month for sustainable results.