Basic Info

Female

Male

Skinfold Measurement Tips: Use quality calipers. Pinch skin and fat (not muscle). Measure on right side of body. Take 2-3 measurements at each site and average. Measure in millimeters (mm). Consistent technique is critical.

Body Fat Caliper Assessment

Select Test Method:

Diagonal fold between nipple and armpit
Vertical fold 2cm beside belly button
Front of thigh, midway between knee and hip
Vertical fold on back of arm, midway between shoulder and elbow
Diagonal fold below shoulder blade
Diagonal fold above hip bone
Horizontal fold at armpit level on side

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What the Calipers Test Measures and Why It Matters

The calipers (skinfold) test estimates your body fat percentage by measuring the thickness of fat just beneath your skin.

Unlike weight or BMI, this test gives you a much clearer picture of your body composition — how much of your body is fat vs lean mass.

This matters because body fat percentage is closely linked to:

  • Metabolic health
  • Hormonal balance
  • Physical performance
  • Long-term disease risk

Two people can weigh the same but have completely different body fat levels — and very different health profiles.

This test helps you move beyond the scale and understand what’s really happening in your body.

How the Test Works and Its Accuracy

The calipers test uses simple measurements taken at specific points on your body.

Depending on the method you choose:

3-Site Test (Faster)

  • Chest
  • Abdomen
  • Thigh

7-Site Test (More Detailed)

  • Chest
  • Abdomen
  • Thigh
  • Triceps
  • Subscapular (upper back)
  • Suprailiac (above hip)
  • Midaxillary (side of torso)

You measure each site using calipers, then input the values to estimate your body fat percentage.

Accuracy

  • 7-site test → higher accuracy
  • 3-site test → faster, still reliable

Results depend heavily on measurement consistency, not just the formula.

Even if your numbers aren’t perfect, this test is extremely valuable for tracking changes over time, which is what really matters.

How to Interpret Your Results

Your result shows your estimated body fat percentage, along with a category.

General Ranges

Men:

  • Essential: 2–5%
  • Athletic: 6–13%
  • Fit: 14–17%
  • Average: 18–24%
  • High: 25%+

Women:

  • Essential: 10–13%
  • Athletic: 14–20%
  • Fit: 21–24%
  • Average: 25–31%
  • High: 32%+

What matters most

  • Lower isn’t always better — extremely low body fat can affect hormones and energy
  • Your trend over time is more important than a single reading
  • Your category + how you feel gives better insight than the number alone

Practical Guidance for Best Results

To get the most accurate and useful results:

  • Use consistent technique — same locations, same side of the body
  • Measure 2–3 times per site and average the values
  • Test under similar conditions (time of day, hydration, etc.)
  • Don’t rush — precision matters more than speed

Important

You don’t need perfect measurements to get value from this test.

Consistency beats perfection.

If you measure the same way each time, you’ll clearly see whether your body fat is going up or down — and that’s what drives real progress.

Final Note

The calipers test is one of the most practical ways to track real body composition changes at home.

It’s not about chasing a perfect number — it’s about understanding your body and improving over time.

Small changes in body fat percentage can reflect meaningful improvements in your health, performance, and overall fitness.