Body Fat Calculator
Estimate your body fat percentage with the U.S. Navy formula.
Your results will appear here
Enter your measurements to estimate body fat.
Look Beyond the Scale
Body weight alone doesn't tell the whole story. This calculator uses the U.S. Navy method to provide a more insightful look at your body composition, helping you track true progress in your health and fitness journey.
How to Use the Body Fat Calculator
Enter Height
Provide your height in imperial or metric.
Take Measurements
Measure your neck, waist, and (for women) hips.
Enter Weight
Optionally add weight for mass calculation.
Get Your Estimate
See your estimated body fat percentage.
Common Use Cases for Body Fat Calculation
Monitor changes in body composition beyond the scale, focusing on fat loss and muscle retention.
Get a better understanding of your health risks associated with high or low body fat levels.
Set more specific goals, such as reducing body fat by a certain percentage.
Differentiate between fat mass and lean body mass to guide your diet and exercise plans.