Körperfett
Navy-Methode mit Nacken, Bauch, Hüfte.
Understanding Body Fat Percentage
Why Body Fat Percentage Matters
Body fat percentage is a more meaningful metric than body weight alone because it distinguishes between fat mass and lean mass (muscle, bones, organs, water). Two people can weigh exactly the same but have vastly different body compositions. Someone at 15% body fat will look leaner, more muscular, and generally healthier than someone at 30% body fat at the same weight. Tracking body fat percentage helps you understand whether you are losing fat, gaining muscle, or both.
Healthy Body Fat Ranges
For men, essential body fat (the minimum needed for survival) is approximately 3–5%. Athletic ranges are typically 6–13%, fitness ranges are 14–17%, and acceptable ranges extend to about 25%. Above 25% is generally considered overweight. For women, essential body fat is approximately 10–13%. Athletic ranges are 14–20%, fitness ranges are 21–24%, and acceptable ranges extend to about 31%. Women naturally carry more body fat due to hormonal differences and reproductive needs. Trying to maintain extremely low body fat levels long-term can lead to hormonal issues, reduced immune function, and decreased performance.
Estimation Methods
This calculator uses anthropometric measurements (body measurements) to estimate body fat percentage. While DEXA scans are considered the gold standard for accuracy, body measurement formulas like the U.S. Navy method provide reasonable estimates (within 3–4% of actual values for most people). For the most consistent readings, take measurements first thing in the morning before eating, use the same measuring tape each time, and measure at the same anatomical landmarks. Track the trend over weeks rather than focusing on any single measurement.