Track your body composition, not just weight. Our body fat calculator uses precise measurements to estimate your fat percentage, helping you monitor muscle gain and fat loss phases more well.
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Body Fat Calculator - Accurate US Navy Method - FusioFiles
Estimate your body fat percentage using the US Navy fitness formula. More accurate than BMI for athletes. Fast, free, and 100% private browser tool.
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How to use Body Fat Calculator
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1
Enter Stats
Input your weight and relevant body measurements (waist, neck).
2
Specify Gender
Choose Male or Female for the correct formula application.
3
Check %
View your estimated body fat percentage and category.
Key Features
Navy Method
Uses the U.S. Navy circumference method for estimation.
Tape Measure
Simple inputs requiring only a standard tape measure.
Lean Mass
Calculate your total lean body mass in pounds or kg.
Progress Tracking
Better than BMI for tracking actual fat loss.
Frequently Asked Questions
The Navy method is widely considered one of the most accurate ways to estimate body fat without expensive equipment like DEXA scans.
Measure below the larynx (Adam's apple). Keep the tape flat and do not overtighten.
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