Body Fat Calculator

Estimate your body-fat percentage and fitness category

Body Fat Calculator

Body-fat percentage is the share of your body weight that is fat. It is a better health and fitness indicator than weight or BMI alone. The U.S. Navy circumference method is accurate within ~3–4% when measurements are taken correctly; the BMI method is a rough estimate when you have no tape measure.

Frequently Asked Questions

What is a healthy body-fat percentage?
Roughly 10–20% for men and 18–28% for women is considered fit-to-healthy. Essential fat is about 3–5% (men) and 10–13% (women).
Is the Navy method or BMI method more accurate?
The U.S. Navy tape method is more accurate (±3–4%) when measured correctly. The BMI method is a rough estimate when you have no tape measure.
How do I reduce body fat?
Maintain a moderate calorie deficit, eat enough protein, and combine strength training with cardio to lose fat while preserving muscle.

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