Body Fat Percentage Formula:
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Definition: Body fat percentage is the proportion of fat mass to total body weight, expressed as a percentage.
Purpose: It provides a more accurate measure of body composition than weight alone, helping assess health and fitness levels.
The calculator uses the formula:
Where:
Explanation: The fat mass is divided by total weight to get the proportion, then multiplied by 100 to convert to percentage.
Details: Knowing your body fat percentage helps in:
Tips:
Q1: What's a healthy body fat percentage?
A: Varies by gender and age, but generally 14-24% for men and 21-31% for women is considered healthy.
Q2: How can I measure my fat mass?
A: Methods include skinfold calipers, bioelectrical impedance scales, DEXA scans, or hydrostatic weighing.
Q3: Why use kg instead of pounds?
A: The metric system is standard for scientific measurements. You can convert pounds to kg by dividing by 2.205.
Q4: How often should I check my body fat percentage?
A: Monthly measurements are sufficient to track meaningful changes.
Q5: Can body fat percentage be too low?
A: Yes, essential fat is 2-5% for men and 10-13% for women. Going below these levels can cause health problems.