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Sum of Skinfolds Calculator

Enter your skinfold measurements to get the total.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

The sum of skinfolds adds together caliper readings — commonly a 3-site (chest, abdomen, thigh for men; triceps, suprailiac, thigh for women) or full 7-site protocol (adding subscapular, midaxillary, and suprailiac to chest/abdomen/thigh) — taken at standardized anatomical landmarks with a spring-loaded skinfold caliper. The raw total is the direct input to regression equations such as the Jackson-Pollock formulas that convert it into estimated body density and body fat percentage.

Personal trainers, strength coaches, and exercise physiologists track this sum over time as a practical, low-cost alternative to DEXA or hydrostatic weighing, since a rising or falling total tracks changes in subcutaneous fat even before a full body-fat calculation is done.

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