Body Fat Loss Formula:
From: | To: |
Definition: This calculator measures the percentage reduction in body fat from an initial measurement to a current measurement.
Purpose: It helps fitness enthusiasts and health-conscious individuals track their fat loss progress more accurately than just tracking weight.
The calculator uses the formula:
Where:
Explanation: The formula calculates what percentage of your original body fat you've lost, not just the absolute difference.
Details: Tracking body fat percentage loss is more meaningful than weight loss alone, as it accounts for muscle preservation/gain during fat loss.
Tips: Enter your initial and current body fat percentages (must be between 0-100%). Current % should be ≤ Initial %.
Q1: How do I measure my body fat percentage?
A: Common methods include skinfold calipers, bioelectrical impedance scales, DEXA scans, or hydrostatic weighing.
Q2: What's a healthy body fat percentage loss rate?
A: 0.5-1% body fat loss per week is generally sustainable and healthy.
Q3: Why track percentage loss instead of absolute loss?
A: Percentage loss accounts for different starting points - losing 5% of 30% body fat is different than 5% of 20%.
Q4: Can this show muscle gain?
A: Indirectly - if weight stays the same but body fat % decreases, it indicates muscle gain.
Q5: What if my current % is higher than initial?
A: The calculator will show negative loss (gain), but the form validates that current % ≤ initial %.