Calculate your body fat percentage using the U.S. Navy body fat formula. This calculator works for both men and women and helps estimate healthy body composition.
Body fat percentage is the amount of fat mass compared to your total body weight. It helps determine overall fitness, health status, and body composition.
This calculator uses the U.S. Navy Method, one of the most common body fat estimation formulas worldwide.
Body Fat % = 495 / (1.0324 − 0.19077 × log10(waist − neck) + 0.15456 × log10(height)) − 450
Body Fat % = 495 / (1.29579 − 0.35004 × log10(waist + hip − neck) + 0.22100 × log10(height)) − 450
Monitoring body fat percentage can help improve fitness goals, weight loss plans, athletic performance, and overall health awareness.
This calculator provides a reliable estimate using the U.S. Navy Method, though professional scans may provide more precise results.
Healthy body fat ranges vary by age and gender, but generally men should aim for 10–20% and women 18–28%.
Yes. Athletes often monitor body fat percentage to optimize performance and training goals.
Yes. Female calculations include hip measurements for improved accuracy.