Body Fat % Calculator
Uses the US Navy tape-measure method — a well-validated estimate that's more informative than BMI alone for tracking fat loss vs. muscle gain.
Biological sex
Measure waist at the navel, neck below the larynx, and (for women) hips at the widest point.
27.4%Average
Body fat %27.4%
CategoryAverage
Tape measurements vary with technique — track the trend over weeks, not a single reading.
This tool gives a general estimate for informational purposes and isn't a medical diagnosis. If you're pregnant, managing a chronic condition, or unsure about a result, check with a doctor or registered dietitian before changing your diet or exercise.