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health / Free Online Tool
Body Fat Calculator.
Estimate your body fat percentage using standard US Navy circumference measurements.
Input Parameters
Computed Results
Primary Metric
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Comments & Feedback.
Frequently asked questions.
How accurate is the US Navy body fat method?
The US Navy method typically has a margin of error of 1-3% compared to more advanced methods like DEXA scans. It is widely used because it only requires a tape measure.
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