Formula For Weight Loss Percentage


Are you looking the best weight loss formula to reduce your body weight percentage? The buspar dosage for weight loss formula is going to be useful in this regard. When it comes to weight loss, there are many people out there that just want to lose a few pounds. They don’t care about specific diet or exercise explanations. The only thing they want is a quick fix for the situation. If you’ve never been overweight before, you’ll likely never know how this feels. If any of your family members or friends are overweight, you’ve likely heard them rant and rave about their battle to lose weight. But did you ever ask yourself what their formula for losing weight was?

What is Weight Loss Percentage Formula?

The formula to calculate your percentage for weight loss is as follow,

Weight loss(%) = [(Initial weight-Current weight)/initial weight] * 100

If you’re on a weight loss journey, try this best weight loss calculator to estimate how many calories you have to consume to lose weight and to plan your weight loss progress.

Why Weight Loss Percentage?

It is impossible to accept that a man who lost 50lb weight is not the biggest loser as compared to a man who loses 20lb, but by using the body weight loss percentage calculator, you can easily find out how much weight a person is losing compared to their initial weight.

Our weight percentage calculator helps you to calculate the percentage of your weight so that you can use it to track your progress.

It may be a person who loses 20lb doesn’t have 50lb to lose, and the person who loses 50lb wants to lose 100lb more. By using a body weight loss percentage finder, you can compare the weight loss (%) of each person relative to their starting weight.

What is Healthy Weight Loss?

When you are going to lose your weight, then the most important thing you need to know is to set your goals. Goals in terms of both your capacity of diet and exercise but also for maintaining your health. Don’t forget, you should have an exact idea of your calorie intake also the time period you have set to reach your optimal weight goals.

Studies revealed that healthy weight loss means 1 to 2lbs per week so you should reduce your calories by 500 to 1000 per day.

Defining Significant Weight Loss

The Geriatric Dietitian focuses on stopping unintended weight loss in older adults. Unintended weight loss in older adults leads to muscle loss. This leads to loss of independence, more falls, and risk of early death. Monitoring weight and calculating weight loss percentage is an important part of stopping weight loss in older adults.

The Center for Medicare and Medicaid Services provides guidance for defining unintended weight loss. Basically, we are looking at the percentage of weight loss over a specific period of time 

Unintended weight loss

  • 5% body weight lost in 30 days
  • 7.5% body weight lost in 90 days
  • 10% body weight lost in 180 days

Keep in mind you don’t have to wait to each these levels to intervene. Some older adults experiences what is known as “insidious weight loss”. This means a gradual loss of weight over time. It can still be a serious issue.

Stopping Weight Loss in Older Adults

If you have determined that an older adult is losing weight unintentionally, you can help stop the loss. The trick is to provide more calories so they stop losing weight.

General tips to stop unintended weight loss include:

  • Following a food first approach
  • Provide FAVORITE foods
  • Ensure display of meals look appetizing
  • Create a pleasant dining environment
  • Increase calories in the foods already being eaten

Sometimes older adults who are experiencing unintended weight loss have a difficult time eating more foods. But they often can sip on high calorie beverages in-between meals. Providing high calorie shakes or high calorie smoothies can help stop weight loss and even promote weight gain

Keeping older adults at home and healthy starts with good nutrition. Sometimes good nutrition looks like providing high calorie foods to stop weight loss and protect muscle. If you are able to safely weigh an older adult, getting monthly weights can help you to monitor if they are experiencing loss.

How to calculate percentage of weight loss with This Calculator:

The online percentage weight loss calculator is 100% free and finds out the percentage (variations for weight loss) accurately. To find out the percentage of weight loss, stick to these inputs:

Swipe down!


  • First of all, you have to enter the initial weight of your body.
  • Then, add the current weight of your body.
  • Finally, hit the calculate button.


You can enter your weight either in lbs or in kg units.


The weight loss percentage calculator will calculate:

  • Weight loss percentage (variations)
  • Whether you lose weight or gain weight.
  • How much weight you lost/gained.


Blog Image: How to Calculate the Percentage of Weight Loss

Whether you like the series or not, NBC’s “The Biggest Loser” has increased the interest that many Americans have in losing weight, a lot of weight. The reality show features overweight (most often obese) contestants who compete to win cash prizes by losing the highest percentage of weight during the 12 weeks that the show airs. Needless to say, with seventeen seasons in primetime, the show is a hit. However, the success has not come without harsh criticism. Numerous physicians, nutritionists and weight loss specialists have criticized the format that focuses on competitive weight loss, which has proven counterproductive for many contestants who regained the weight almost as fast as they lost it.

Nowadays, the show is receiving credit for an increase in online search volume for the keyword phrase “how to calculate percentage of weight loss”. As each new season begins, contestants start with a weigh-in to establish his or her starting weight. Divided into teams of three, a cumulative weigh-in determines which team lost the most weight by a percentage of total weight loss. Although this method of tracking weight loss success is as highly criticized as the show’s format, it has sparked an interest among viewers as to how the percentage of weight loss is calculated. To determine an individual’s percentage of weight loss, divide the number of pounds lost by the starting weight and multiply by one hundred (e.g. – 20lbs/200lbs*100 = 10%).

Weight Loss Percent Vs Fat Loss Percent:

As it becomes easy with this weight loss percentage calculator to find out the exact percentage of weight loss. And, remember that all the weight is not due to fat. When it comes to losing weight or shedding extra weight, there’s also need to lose fat, muscle tissues, also your water weight to reach your goal. That means your percentage of fat loss may be different from your overall weight loss.

For convenience, give a try this body fat percentage calculator that tells how much body fat % your body has and in which body fat category you fall in.

Weight Loss Nutrition

Preserving muscle tissue is ideal during the weight loss process which means protein consumption should be sufficient. Protein is the only muscle-building macronutrient and what many people don’t realize when the goal is weight is that muscle helps the body burn more calories

And the more calories you burn, the more weight you can lose if you’re not consuming an excess of calories which gets stored as fat. 

Try our calorie calculator to determine how many calories you need to eat every day to achieve your weight goal

Research shows that sufficient protein intake boosts your metabolism (more calories burned at rest), promotes satiety, increases fat oxidation, and plays a role in the regulation of hormones that affect weight. Not to mention sufficient protein intake has been associated with improvements in cardiometabolic risk factors.

Weight Loss Diet
Weight Loss Diet

One study found that protein at 30% of daily caloric intake resulted in significant weight loss due to fewer calories consumed overall.

But there are several more scientific reviews that show the positive effects protein has on weight loss.

Check out our protein calculator to learn how much protein you need to consume on a daily basis based on your goals.

Now, low-carb dieting has shown to have the best effect on overall weight loss initially where nutrition is concerned. There are a few different possible mechanisms that explain the reasoning but it works! Although, the effects are reportedly most pronounced during the first 6-12 months.

After that, the effects seem to be more beneficial for overall health rather than weight loss in the long term.

One hypothesis is that low carbs regulate insulin which is an anabolic hormone made by the pancreas that allows the body to use carbs for energy. When insulin is too high, your body stores fat. But when it’s at healthy levels, your body can utilize the fat for energy most optimally.

Another hypothesis for the perceived benefits of going low carb is that since protein and fat are consequently increased in the diet, satiety and less concomitant hypoglycemia contribute largely to the weight loss. Well, this tends to have an effect on hunger hormones. 

We do know though, that low carb can be utilized safely and effectively to produce results. However, past the one year mark, low-carb dieting seems to elicit similar or possibly more favorable results when compared to other diets.

So whichever diet you choose to stick with, make sure you’re getting adequate nutrients as you want to ensure you maintain optimal health. It’s also a good idea to get regular checkups just to be sure you’re not deficient in anything either. 

And, of course, you should eat quality food sources that consist of mostly vegetables, possibly some lean meat if you’re not vegetarian or vegan, plant fats, and low-glycemic carb sources in moderation.

How to Calculate Your Weight Loss

Young woman making calculations on her phone

Calculating your weight loss is a great way to find out how far you have come.

To calculate the percentage of weight lost, grab a calculator and follow these steps.

The quick and easy way

Your percent weight change is a very quick and easy snapshot of your weight loss as a whole. This quick math that will compare your pre-op weight to your current weight.(Pre-op weight – Current weight) / (pre-op weight)  x 100 = % body weight change

Example: Your pre-op weight was 320 lbs, and your current weight is 200 lbs(320-200) / (320) x 100 = 37% total body weight loss

The full picture

Calculating your weight loss based on your excess body weight – instead of your weight as a whole – is what is typically used in the bariatric clinic.

It requires a few extra calculations, but it gives us more precise information regarding where you are in your weight loss journey compared with your own healthy range.

There are a few steps, but don’t be intimidated, just follow along:

Step 1

In order to determine your excess body weight, you’ll need to find the weight that would put you at a healthy Body Mass Index (BMI) of 25. A healthy BMI ranges from 18-24.9 (for the purpose of this calculation, we will round it to 25). 25 x (height in inches x height in inches / 703) = Weight in lbs to be at a BMI of 25

Example:  You are 5’7” (67 inches; Remember, there are 12 inches in a foot)25 x (67 x 67/703) = A healthy weight starts at 159.6 lbs

Step 2

After you have calculated the weight that puts you at a healthy BMI, now it is time to calculate your excess body weight.Pre-op weight – weight to be at a BMI of 25 = Excess body weight

Example: Your pre-op weight was 320 lbs. and you are 5’7”320 – 159.6 = 160.4 lbs of excess body weight

Step 3

To calculate the percentage excess body weight loss, use the following formula.(Number of lbs you lost / excess body weight) x 100 = Percent of excess body weight loss

Example: Your excess body weight was 160.4 lbs; You lost 120 lbs from 320 lbs and your current weight is 200 lbs. (120 / 160.4) x 100 = You lost 74% of excess body weight 

That’s it!

With these calculations in place you will be able to better track your progress and continue to work toward your goals

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