Body fat estimate
Estimate your body fat from a few tape-measure readings, using the US Navy method.
Enter your details to see your result.
What the numbers mean
| Range | Men | Women |
|---|---|---|
| Essential fat | 2 to 5% | 10 to 13% |
| Athletes | 6 to 13% | 14 to 20% |
| Fitness | 14 to 17% | 21 to 24% |
| Average | 18 to 24% | 25 to 31% |
| Obese | 25% or more | 32% or more |
Ranges from the American Council on Exercise. Essential fat is the least the body needs to work normally.
When to see a doctor
- Your result is in the obese range, especially if diabetes, high blood pressure or heart disease runs in your family.
- You are losing weight or muscle without trying.
Talk to a doctor
Bring your numbers to your visit. Our doctors will explain what they mean for you and what to do next.
This tool is a guide, not a diagnosis; your doctor’s advice comes first. Nothing you type leaves your device.