Body Fat Calculator
Calculate your body fat percentage using the U.S. Navy method or BMI estimation. Get accurate results with fat mass, lean mass, and body composition analysis.
Your Measurements
Measure at navel level
Measure just below the larynx
Measurement Tips
- • Measure in the morning before eating
- • Use a flexible measuring tape
- • Keep the tape snug but not tight
Body Fat Percentage
16.9%
Fitness
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11.8 kg
Fat Mass
58.2 kg
Lean Mass
22.9
BMI
Body Fat Percentage Reference
| 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%+ |
Why Calculate Body Fat?
Body fat percentage is a better indicator of health and fitness than weight alone. It helps track progress during weight loss or muscle building and provides insight into overall body composition.
Frequently Asked Questions
How accurate is the Navy method?
The U.S. Navy method is accurate within 3-4% when measurements are taken correctly. It's widely used in military and fitness applications.
What's a healthy body fat percentage?
For men, 14-24% is considered average and healthy. For women, 21-31% is typical. Athletes often have lower percentages.
Why do men and women have different ranges?
Women naturally carry more essential fat for reproductive functions. This is why healthy ranges are about 10% higher for women.