Health & Fitness
Body Fat Calculator
Estimate your body fat percentage using the U.S. Navy circumference method. Enter a few simple body measurements for an accurate result.
Body Fat Percentage
0%
Category
-
Fat Mass
0 kg
Lean Body Mass
0 kg
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Body Fat Percentage Categories
Body fat percentage is a much more informative measure of health than BMI alone, because it distinguishes between fat mass and lean muscle mass. Two people with the same weight and height can have very different body compositions.
Healthy Body Fat Ranges
| Category | Men | Women |
|---|---|---|
| Essential Fat | 2-5% | 10-13% |
| Athletes | 6-13% | 14-20% |
| Fitness | 14-17% | 21-24% |
| Average | 18-24% | 25-31% |
| Obese | 25%+ | 32%+ |
📏 How to Measure Correctly
For accuracy, measure with a soft measuring tape at the same time each day (morning is best). Stand relaxed, don't flex. Waist is measured at the navel level. Hip is measured at the widest point (for women). Neck is measured below the larynx.
Frequently Asked Questions
The US Navy method (using neck, waist, and hip circumference) provides a solid estimate without equipment. However, DEXA scans or hydrostatic weighing in clinical settings are the absolute gold standard for accuracy.
Essential body fat is the minimum amount of fat necessary for basic physical and physiological health, protecting internal organs and regulating hormones. For men, it's roughly 2-5%, and for women, it's 10-13%.
Because body composition changes slowly, measuring body fat once every 2 to 4 weeks under identical conditions (e.g., morning, fasting, before exercise) will give you the most reliable trend data.