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Calculate your body fat percentage with our advanced body fat calculator. Get accurate body composition analysis, fat mass and lean mass, ideal body fat recommendations, and personalized health insights.
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Professional Body Fat Analysis
This calculator uses the U.S. Navy method and BMI method to provide accurate body fat percentage estimates. Results include fat mass, lean mass, ideal body fat, and personalized recommendations for optimal health.
U.S. Navy Method: Most accurate for general population using circumference measurements.
BMI Method: Alternative calculation using BMI and age for body fat estimation.
Body Fat Categories: Essential fat, athletes, fitness, average, and obese ranges.
Health Analysis: Personalized recommendations based on your body fat percentage and health goals.
Enter your information: Age, gender, height, and weight.
Take measurements: Measure neck, waist, and hip (for women) circumference.
Select method: Choose U.S. Navy method (recommended) or BMI method.
Get results: View your body fat percentage, fat mass, and lean mass.
Review recommendations: See your body fat category and health insights.
Fitness Tracking: Monitor changes in body composition, not just weight.
Weight Loss: Ensure you are losing fat, not muscle.
Muscle Building: Track lean mass gains during bulking phases.
Health Monitoring: Assess risk factors associated with high or low body fat.
Athletic Performance: Optimize body composition for your sport.
Medical Assessment: Screen for obesity-related health risks.
| Description | Women | Men |
|---|---|---|
| Essential Fat | 10-13% | 2-5% |
| Athletes | 14-20% | 6-13% |
| Fitness | 21-24% | 14-17% |
| Average | 25-31% | 18-24% |
| Obese | 32%+ | 25%+ |
Body weight alone doesn't tell the whole story. Two people can weigh the same but have vastly different body compositions. A lower body fat percentage generally indicates better metabolic health, while excess body fat (especially visceral fat) is linked to higher risks of heart disease and diabetes.
Hydration levels can affect measurements. For the most consistent results, measure yourself first thing in the morning after using the restroom but before eating or drinking.