Body Fat Calculator – US Navy Method
Determine your body fat percentage using simple circumference measurements with the U.S. Navy Method.
Complete Guide: Body Fat Calculator (Navy Method)
Calculate your body fat percentage accurately at home using the trusted US Navy method without expensive calipers.
Frequently Asked Questions
What is a healthy body fat percentage?
For men, 14–17% is considered the fitness range, for women 21–24%. Athletes are often below that (men 6–13%, women 14–20%).
How accurate is the Navy method?
The Navy method has an accuracy of about ±3–4%. For better accuracy, always measure under the same conditions (morning, fasted).
Where do I measure waist circumference?
Measure at navel level, relaxed, don't suck in. Best measured in the morning before eating, as waist circumference fluctuates throughout the day.
Why do women need hip measurement?
Women store fat differently than men – especially at hips and thighs. The hip measurement significantly improves the formula's accuracy.
What is better, BMI or body fat %?
Body fat percentage is more meaningful than BMI because it distinguishes between fat and muscle mass. A muscular person can have a high BMI but low body fat.