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Body Fat Percentage Formula:
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Body fat percentage is the total mass of fat divided by total body mass, multiplied by 100. It provides a more accurate assessment of body composition than weight or BMI alone, as it distinguishes between fat mass and lean body mass.
The calculator uses the following formula:
Where:
Explanation: This formula estimates body fat percentage based on BMI, age, and gender. It provides a quick estimation without requiring specialized equipment.
Details: Monitoring body fat percentage is important for assessing health risks, tracking fitness progress, and developing appropriate nutrition and exercise plans. High body fat percentage is associated with increased risk of various health conditions.
Tips: Enter your BMI value (calculated as weight in kg divided by height in meters squared), age in years, and select your gender. All values must be valid (BMI > 0, age between 1-120).
Q1: How accurate is this calculation method?
A: This formula provides a reasonable estimation but may not be as accurate as methods like DEXA scans or hydrostatic weighing. It's best used for general tracking rather than precise measurement.
Q2: What are healthy body fat percentage ranges?
A: For men: 6-24% is generally considered healthy. For women: 16-30% is generally considered healthy. These ranges vary by age and fitness level.
Q3: How often should I measure my body fat percentage?
A: For tracking purposes, monthly measurements are sufficient as body fat changes slowly. Avoid daily measurements as they can be affected by hydration and other factors.
Q4: Are there limitations to this calculation?
A: This formula may be less accurate for athletes, elderly individuals, and those with very high or very low BMI values.
Q5: Should I use this calculation for medical purposes?
A: This calculator provides estimates only. For medical diagnosis or treatment decisions, consult with healthcare professionals who can use more precise measurement methods.