Body Fat Percentage Formula:
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Definition: This calculator estimates body fat percentage based on body circumference measurements using the US Navy method.
Purpose: It helps individuals track fitness progress and health metrics without specialized equipment.
The calculator uses the US Navy body fat formula:
Where measurements include:
Explanation: Different formulas are used for men and women based on how fat distributes differently by gender.
Details: Body fat percentage is a better health indicator than BMI alone, helping assess fitness levels and health risks.
Tips:
Q1: How accurate is this method?
A: The Navy method is about ±3% accurate compared to more precise methods like DEXA scans.
Q2: Why different formulas for men and women?
A: Women naturally carry more body fat, particularly in the hip area.
Q3: What's a healthy body fat percentage?
A: For men: 8-19% (athletic), 20-25% (average). For women: 21-28% (athletic), 29-35% (average).
Q4: How often should I measure?
A: Every 2-4 weeks to track progress, at the same time of day.
Q5: Does this work for all body types?
A: It's less accurate for very muscular or obese individuals.