About Body Fat Calculator
This calculator offers multiple scientifically validated methods for body fat calculation, including the Navy Method, YMCA Method, Jackson-Pollock 3-Site/7-Site Methods, and Durnin-Womersley Method. Each method is based on verified research data and can be used for body composition assessment and fitness planning.
Calculation Methods
Navy Method
Developed by the U.S. Navy, this method estimates body fat percentage by measuring neck and waist circumference (and hip circumference for women). Simple to perform and suitable for quick assessments.
YMCA Method
A simple method based on waist circumference measurement, particularly suitable for initial assessment and daily monitoring.
Jackson-Pollock Method
Available in both 3-site and 7-site versions, this method accurately estimates body fat percentage by measuring multiple skinfold sites. Widely used in professional fitness assessments.
Durnin-Womersley Method
Estimates body fat percentage by measuring skinfold thickness at four sites, suitable for people of different age groups.
Usage Guide
- Choose the calculation method that best suits you
- Enter basic information like height and weight accurately
- Measure the required body parts according to your chosen method
- Ensure measurement accuracy
- Take regular measurements to track changes
Important Notes
- Results are for reference only; different methods may show slight variations
- Maintain proper posture during measurements to ensure accuracy
- Take measurements at consistent times for better comparability
- Consult healthcare professionals or nutritionists for special circumstances
- Body fat percentage is not the only health indicator; consider it alongside other metrics