Body Fat Calculator
Estimate your body fat percentage from your BMI, age and sex using the Deurenberg formula. Free, nothing is stored.
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Frequently Asked Questions
- How accurate is this estimate?
- The Deurenberg formula is typically accurate to within about 4 percentage points for most adults, but it is less reliable for athletes and children.
- What is a healthy body fat percentage?
- Roughly 10 to 25% for men and 18 to 32% for women, though the ideal varies with age and activity level.