Body Fat Calculator
Calculate your body fat percentage using scientifically proven methods. Get accurate results and personalized health recommendations.
Understanding Body Fat Percentage
Body fat percentage is the proportion of fat mass to total body weight. Unlike BMI, which doesn't distinguish between muscle and fat, body fat percentage provides a more accurate picture of your body composition and health status.
Healthy Body Fat Ranges
Men
- Essential Fat: 2-5%
- Athletic: 6-13%
- Fitness: 14-17%
- Average: 18-24%
- Obese: 25%+
Women
- Essential Fat: 10-13%
- Athletic: 14-20%
- Fitness: 21-24%
- Average: 25-31%
- Obese: 32%+
Calculation Methods
US Navy Method
Uses height, waist, and neck measurements (plus hip for women). Developed by the U.S. Navy and widely used for its accuracy and simplicity.
YMCA Method
Based on waist and weight measurements. Simple but effective method used by many fitness professionals.
Why Body Fat Percentage Matters
- More accurate than BMI for assessing health risks
- Helps track progress during weight loss or muscle building
- Indicates metabolic health and fitness level
- Guides nutrition and exercise planning
- Helps prevent obesity-related health conditions
Factors Affecting Body Fat
- Age and gender
- Genetics and hormones
- Diet and nutrition
- Physical activity level
- Sleep quality
- Stress levels
- Medical conditions
- Medications
Note: Body fat calculators provide estimates based on measurements and formulas. For the most accurate results, consider professional body composition analysis methods like DEXA scans or hydrostatic weighing.