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Math - How Do I find the percentage of weight I have lost?
Part of the Math Series of questions, How Do I...

This calculator requires the use of Javascript enabled and capable browsers. This page and calculator are a combined answer to the question, "How Do I find the percentage of weight I have lost?"

This question came to us from a lady in Palm Springs, California, who like many of us, has had a weight struggle (me included). Enter the weight numbers for your own calculation and click on Calculate. You may click on Clear Values to do another.

Why and how? In order to create a simple explanation, here are the individual math steps to follow for percent of weight loss; we assume that this is actually a loss. (Everything is simple when you know how...)
Subtract the current weight from the starting weight (this CAN be a negative number but it would mean you have gained weight - not good on a diet...)
Divide the result, the weight lost, by the starting weight
Multiply the result by 100
The result is the percentage of weight lost (of the weight lost to the original weight)

You may also wish to visit our Percentage Change Calculator or our Percentage Calculator. Click here to return to the Math - How Do I - Converters and Calculators Menu.

If you have a problem with a math related real world issue and after a reasonable effort on your part you STILL cannot resolve it, send us a note fully explaining the problem and the steps you have tried to resolve it. We will try to help, not only with the answer but the how and why as well. (No we won't do your homework for you...) Use the Contact link at the bottom of the page.

Weight Loss Percentage
Required Data Entry
Enter The Starting Weight Units
Enter The Current Weight Units
Calculated Results
Calculated Difference Units
Calculated Weight Loss Change Percent

Version 1.1.9

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