Accurately measure your body fat percentage using the scientifically validated US Navy method
Our Body Fat Calculator uses the scientifically validated US Navy method to estimate your body fat percentage based on key body measurements.
This method is considered one of the most accurate ways to calculate body fat without specialized equipment.
For most accurate results, take measurements in the morning before eating or drinking, and ensure the tape is snug but not compressing your skin.
Body fat percentage is a key indicator of overall health and fitness. Unlike BMI which only considers height and weight, body fat percentage measures the actual proportion of fat to lean mass in your body. This provides a much more accurate picture of your health status.
Our free body fat calculator uses the scientifically validated US Navy method to estimate your body composition. This method requires only a few simple measurements: height, neck circumference, waist circumference, and for women, hip circumference. The algorithm then calculates your estimated body fat percentage based on these inputs.
Maintaining a healthy body fat percentage is crucial for numerous health benefits:
Our tool provides instant, accurate results without expensive equipment. With real-time visualization and detailed breakdowns, you can:
For best results:
Regularly monitoring your body fat percentage is one of the most effective ways to track your fitness progress and maintain optimal health. Bookmark this free tool and measure every 4-8 weeks to stay on track with your health goals.