Siri Equation Body Fat from Body Density

Calculate body fat percentage from body density: %BF = (4.95/BD - 4.50) x 100. Used after 7-site skinfold sum.

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How It Works

Calculate body fat percentage from body density: %BF = (4.95/BD - 4.50) x 100. Used after 7-site skinfold sum

Each component has a specific meaning:

  • Body density: %BF = (4 — The body density: %bf = (4 recorded for the scenario being assessed.

Note: Interpret the siri equation result against the thresholds and context described above.

How to Use

Enter the body density: %BF = (4 for the scenario you are assessing. Calculate body fat percentage from body density: %BF = (4.95/BD - 4.50) x 100. Used after 7-site skinfold sum. Use the siri equation result to inform your calculation.

Frequently Asked Questions