CheckBodyScore
Skinfold Body Fat % Calculator
Skinfold Body Fat Estimate
Jackson-Pollock Interpretation
The result is based on your body density derived from skinfold measurements.
Accurate Body Fat Measurement with Skinfold Calipers
The **Skinfold Body Fat Calculator** utilizes the widely respected **Jackson-Pollock formula** to provide one of the most accurate field estimates of **body composition**. This method directly measures subcutaneous fat (fat stored just under the skin) at specific sites, correlating those thickness readings with overall body density. This is a vast improvement over BMI, as it accounts for lean muscle mass and offers a true **body fat estimate**.
The 3-Site Jackson-Pollock Method Explained
The **3-Site Skinfold** method requires measurements (in millimeters) from three specific anatomical locations, which vary by gender:
- **Men:** Chest, Abdomen, and Thigh.
- **Women:** Triceps, Suprailiac (above the hip bone), and Thigh.
The sum of these three skinfolds is plugged into a density equation, which is then converted into a **body fat percentage** using the Siri equation. This gives you a quick, reliable number for tracking fitness progress and making **body composition** adjustments.
Accuracy and Consistency
The accuracy of the **Skinfold Body Fat Calculator** relies heavily on **caliper technique** and consistency. Always use the same **body fat calipers** and measure the exact same spot on the same side of the body at the same time of day. While requiring a bit more effort than the Navy or BMI methods, the **Jackson-Pollock formula** provides highly detailed insight into where your fat is stored and how your fitness efforts are impacting your **body composition**.
Skinfold Body Fat FAQs
The measurement sites differ because men and women genetically store fat in different primary locations. The **Jackson-Pollock formula** targets sites that provide the best correlation with total **body fat percentage** for each respective **gender**, ensuring a more accurate **body fat estimate**.
Methods using **body fat calipers** like the **Jackson-Pollock formula** are considered excellent field tests, typically having an error margin of $\pm 3.5\%$ compared to gold standard methods like DEXA or hydrostatic weighing. They provide a precise and cost-effective way to monitor changes in **body composition**.
The **Skinfold Body Fat Calculator** measures fat thickness directly, offering a more nuanced view of the **body composition** and fat stored *under* the skin. Circumference methods (like the Navy method) can be easily affected by muscle size or bloating, making the caliper method a favorite for dedicated fitness enthusiasts.