Measurement protocol
Stand relaxed, do not pull the tape tight, and take two or three readings. Use their average if they differ.
Captain Workout tools
Body Fat Calculator
Estimate your body-fat percentage, fat mass and lean mass from simple circumference measurements.
What the result means
The estimate uses the U.S. Navy circumference method. Categories are broad reference ranges, not a diagnosis.
Track the trend
A consistent measuring technique is more useful than any single reading. Compare monthly results under similar conditions.