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Body Weight Percentage Lost Calculator

Percentage Lost Formula:

\[ \text{Percent Lost} = \frac{\text{Initial Weight} - \text{Current Weight}}{\text{Initial Weight}} \times 100 \]

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1. What is Body Weight Percentage Lost?

Body Weight Percentage Lost is a measure of weight loss relative to initial body weight. It provides a more meaningful comparison than absolute weight loss, especially for individuals with different starting weights.

2. How Does the Calculator Work?

The calculator uses the percentage lost formula:

\[ \text{Percent Lost} = \frac{\text{Initial Weight} - \text{Current Weight}}{\text{Initial Weight}} \times 100 \]

Where:

Explanation: The formula calculates what percentage of your original body weight you have lost.

3. Importance of Tracking Weight Loss

Details: Tracking percentage weight loss is important for health monitoring, especially in clinical settings for obesity management, post-surgical recovery, and chronic disease management.

4. Using the Calculator

Tips: Enter both weights in kilograms. For accurate results, measure weight at the same time of day under similar conditions (e.g., morning before eating).

5. Frequently Asked Questions (FAQ)

Q1: What is considered significant weight loss?
A: Clinically significant weight loss is typically ≥5% of body weight over 6-12 months.

Q2: How does percentage loss compare to BMI?
A: Percentage loss is more personalized than BMI as it's based on individual starting weight.

Q3: Is percentage loss better than pounds/kilos lost?
A: Percentage loss provides better context, especially when comparing individuals with different starting weights.

Q4: How often should I calculate my percentage loss?
A: For most people, weekly or biweekly measurements are sufficient to track trends without overemphasizing daily fluctuations.

Q5: Can I use this for weight gain calculations?
A: Yes, the same formula works for weight gain (result will be negative).

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