Estimate body fat from waist, neck and height (plus hip circumference for women) with the US Navy formula, with no equipment needed.
| Item | Formula / Note | Source / Standard |
|---|---|---|
| US Navy method | Navy circumference equations | Hodgdon & Beckett, 1984 |
| Applicability | ±3–4% error, trend tracking | US Navy body composition standards |
美国海军体脂公式通过简单的围度测量估算体脂率,无需任何仪器,适合日常自测与减脂进度跟踪。