Free Tool
Body Fat Calculator.
Estimate your body fat percentage using the Deurenberg formula. Enter your BMI, age, and sex to get an estimate of fat mass, lean mass, and your body composition category.
yrs
cm
kg
Body Fat
Fat Mass
Lean Mass
Body fat category ranges.
Male
| Essential Fat | 2–5% |
| Athletic | 6–13% |
| Fitness | 14–17% |
| Average | 18–24% |
| Obese | ≥ 25% |
Female
| Essential Fat | 10–13% |
| Athletic | 14–20% |
| Fitness | 21–24% |
| Average | 25–31% |
| Obese | ≥ 32% |