Percent Weight Loss Formula:
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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.
The calculator uses the percent weight loss formula:
Where:
Explanation: The formula calculates what percentage of the original body weight has been lost.
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.
Tips: Enter both weights in kilograms. Ensure measurements are accurate and taken under similar conditions (time of day, clothing, etc.) for best comparison.
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.