7 Site Skinfold – Body Fat Calculator

This tool will estimate your body fat percentage based on skinfold measurements from seven different sites on your body.

7 Site Skinfold Calculator

This calculator estimates body fat percentage using the 7 site skinfold method. You’ll need a skinfold caliper to take measurements in millimeters from seven specific locations on your body: chest, abdomen, thigh, triceps, subscapular, suprailiac, and midaxillary. Enter your age, select your gender, and input all seven skinfold measurements in the appropriate fields. Click “Calculate” to get your result.

How to Use It:

  • Age: Enter your age in years.
  • Gender: Select your gender from the dropdown.
  • Skinfold Measurements: Enter the measurements in millimeters for chest, abdomen, thigh, triceps, subscapular, suprailiac, and midaxillary.
  • Click “Calculate” to see your estimated body fat percentage.

How This Calculator Works:

The 7 site skinfold method uses measurements from seven different parts of the body to estimate body fat percentage. The sum of these skinfold measurements is used in an equation to determine body density. This body density is then used to estimate the body fat percentage using the Siri equation.


  • This method requires accurate measurements with skinfold calipers, so user error can affect results.
  • Results are estimates and can be influenced by factors like hydration status and skinfold measurement technique.
  • This method may be less accurate for individuals who are extremely lean or extremely obese.

Use Cases for This Calculator

Calculate Overall Body Fat Percentage

Enter your skinfold measurements for 7 key areas of your body to determine your overall body fat percentage. This provides a comprehensive view of your body composition and helps you track changes over time.

Monitor Progress Over Time

Keep track of changes in your body fat percentage by regularly inputting your skinfold measurements into the 7 site skinfold calculator. Monitoring your progress can help you adjust your fitness and nutrition goals accordingly.

Track Changes in Specific Areas

Identify changes in specific areas of your body by analyzing the skinfold measurements for each site. This allows you to focus on areas that may need more attention during your fitness journey.

Set Realistic Fitness Goals

Use the calculator results to set realistic and attainable fitness goals based on your body fat percentage and specific measurements. This can help you stay motivated and on track with your health and wellness objectives.

Evaluate the Effectiveness of Your Training Routine

Assess how effective your current training routine is by regularly checking your body fat percentage using the 7 site skinfold calculator. Adjust your workouts and nutrition plan based on the results to optimize your progress.

Compare Results with Standardized Measurements

Compare your calculated body fat percentage with standardized measurements to understand where you stand in terms of health and fitness benchmarks. This can provide valuable insights into areas you may need to improve.

Identify Body Composition Imbalances

Detect any imbalances in your body composition by analyzing the skinfold measurements for different sites. Addressing these imbalances through targeted exercises can help you achieve a more symmetrical physique.

Calculate Lean Body Mass

Use the 7 site skinfold calculator to determine your lean body mass, which is valuable information for setting muscle-building and weight management goals. Understanding your lean mass can help you tailor your workouts and diet for optimal results.

Track Changes in Body Fat Distribution

Monitor changes in your body fat distribution by comparing skinfold measurements over time. This insight can guide you in adjusting your fitness regimen to achieve a more balanced and proportional physique.

Educate Yourself About Body Composition

Learn more about your body composition and how it relates to overall health and wellness through the use of the 7 site skinfold calculator. Understanding the significance of body fat percentages can empower you to make informed decisions about your fitness journey.

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