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Calculate Percent Weight Loss

Percent Weight Loss Formula:

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

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1. What is Percent Weight Loss?

Percent weight loss is a measure of how much weight someone has lost relative to their initial weight. It's a useful metric in clinical settings to assess the significance of unintentional weight loss, which can be an indicator of various health conditions.

2. How Does the Calculator Work?

The calculator uses the percent weight loss formula:

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

Where:

Explanation: The formula calculates what percentage of the original body weight has been lost.

3. Importance of Weight Loss Calculation

Details: Clinically significant weight loss is generally considered to be >5% in 1 month or >10% in 6 months. This calculation helps healthcare providers assess nutritional status and disease progression.

4. Using the Calculator

Tips: Enter both weights in kilograms. Ensure measurements are accurate and taken under similar conditions (time of day, clothing, etc.) for best comparison.

5. Frequently Asked Questions (FAQ)

Q1: What is considered clinically significant weight loss?
A: Generally >5% in 1 month or >10% in 6 months is considered clinically significant and warrants medical evaluation.

Q2: Should I use the same scale for measurements?
A: Yes, using the same scale under similar conditions provides the most accurate comparison.

Q3: When should I be concerned about weight loss?
A: Unintentional weight loss of more than 5% of body weight over 6-12 months should be evaluated by a healthcare provider.

Q4: Can this calculator be used for weight gain?
A: Yes, the same formula works for weight gain - the result will simply be a negative percentage.

Q5: How often should I track my weight loss percentage?
A: For most people, weekly measurements are sufficient. Daily fluctuations are normal and can be misleading.

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