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 measure of fitness than body weight alone, as it distinguishes between fat mass and lean body mass.
The calculator uses the body fat percentage formula:
Where:
Explanation: This simple calculation shows what percentage of your total body weight is composed of fat.
Details: Knowing your body fat percentage helps assess health risks, track fitness progress, and set appropriate weight management goals. Different body fat ranges are considered healthy for men and women.
Tips: Enter fat mass and total mass in kilograms. Both values must be positive numbers, and fat mass cannot exceed total mass.
Q1: What is a healthy body fat percentage?
A: For men, 6-24% is generally healthy. For women, 16-30% is typically healthy, with variations by age.
Q2: How accurate is this calculation?
A: This is a basic calculation. More accurate methods include DEXA scans, hydrostatic weighing, or skinfold measurements.
Q3: What's the difference between BMI and body fat percentage?
A: BMI only considers height and weight, while body fat percentage specifically measures fat content regardless of muscle mass.
Q4: How often should I measure body fat percentage?
A: For tracking purposes, every 4-8 weeks is sufficient as significant changes take time.
Q5: Can I use pounds instead of kilograms?
A: The units cancel out in the calculation, so you can use any consistent units (both in kg or both in lbs).