Body Fat Percentage Formula:
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Definition: This calculator determines your body fat percentage and compares it to healthy ranges based on your gender and age.
Purpose: It helps individuals assess whether their body fat levels are within a healthy range for their demographic.
The calculator uses the formula:
Where:
Explanation: The calculator then compares your result against standard healthy ranges for your gender and age group.
Details: Body fat percentage is a better health indicator than BMI alone, as it distinguishes between fat and muscle mass.
Tips: For accurate results, measure your fat mass using calipers, bioelectrical impedance scales, or DEXA scans. Enter your gender, age, fat mass and total weight.
Q1: What's a healthy body fat percentage?
A: It varies by gender and age. Generally 8-19% for young men, 21-33% for young women, with slightly higher ranges for older adults.
Q2: How accurate is this calculator?
A: Accuracy depends on your fat mass measurement method. Professional methods (DEXA) are most accurate.
Q3: Why do women have higher healthy ranges?
A: Women naturally carry more essential fat for reproductive and hormonal functions.
Q4: Can athletes have lower body fat?
A: Yes, but extremely low body fat can be unhealthy. Consult a professional for athletic targets.
Q5: How often should I check my body fat?
A: Monthly checks are sufficient for tracking progress, as daily fluctuations are normal.