How Long Does It Take To Lose 40 Pounds On A Treadmill?

If anyone ask me how long does it take to lose 40 pounds on a treadmill? I will say, it’s up to you to find out how quickly you can do it. This answer is due to the fact that there are too many variables that influence the amount of time required to lose 40 pounds on a treadmill. 

Losing weight is entirely dependent on the food you eat and the type of exercise (for example, walking, running) and how long you perform it as well as the weight you lose where it comes from (fat or muscle). 

Regular exercise combined with a healthy diet will help you lose pounds easily. Let’s go into greater details about safe and ideal strategies to lose weight through maximizing calorie burn and lifestyle changes. 

It is quite common to desire faster results but unnecessary hurriedness can cause long term damage to your health and wealth.

There is a guideline for a healthy amount of weight to lose per week, and weight loss in this range is more likely to be maintained. According to CDC, losing 1 to 2 pounds per week is considered a safe and healthy weight loss.

If we follow this information, losing 40 pounds will take approximately 4-5 months (considering 2 pound/week) or approximately 9-10 months (considering 1 pound/week). 

If you’re losing weight quicker than this, it’s either because you’re overdoing diet restrictions and calorie-burning workouts, or because you have a health problem, or because your workout and diet routine is leading you to lose weight faster.

In either case, losing weight at a faster rate is unhealthy, and you must take steps to slow it down. If you lose weight too quickly, you will gain it back much more quickly.

Weight Loss Calculations

The easiest method to keep track of your progress is to weigh yourself. The most important thing you can do to make this method work is to weigh yourself on a regular basis.

The PUBMED recommends the MET concept as a convenient method to calculate the calories burned per hour. MET (metabolic equivalent) is the rate at which the body consumes energy.

Resting metabolic rate is 1 MET and the body burns 1 calorie per kilogram of body weight (2.2 pounds estimated) each hour. A workout’s energy cost is expressed in multiple of MET. When you exercise on a treadmill, moderate-intensity runs will cost you approximately 7 MET.

For example, if a 100Kg (220 pound) person runs at a good pace for an hour, he or she will burn approximately 700 calories. While he/she is resting, he/she will consume only 100 calories. i.e., he/she burned 600 calories more by undertaking a one-hour treadmill workout.

  • Spending an excess of 500 calories per day should result in a weekly weight loss of 1 pound.                                                                                                                                                                                          
  • Spending an excess of 1000 calories per day should result in a weekly weight loss of 2 pounds.

Weight Loss On A Treadmill

Running on a treadmill to lose weight is a choice for someone but it is a blessing for those who are overweighed. The amount of calories you burn on the treadmill is determined by various factors, including the amount of effort you put in and your weight, according to the American Council on Exercise

The more weight you have, the more weight you lose when running or walking on a treadmill. When you weigh heavier, you burn more calories traveling at the same speed for the same period of time because it requires more energy to propel yourself.

I’ll take two persons of different weights and have them run at the same speed and for the same amount of time, and I’ll compare the amount of calories they burn.

  • Weight: 180 lbs
  • Speed: 3 mph (walking)
  • Time: 30 minutes
  • Calories burned: 240
  • Weight: 120 lbs
  • Speed: 3 mph (walking)
  • Time: 30 minutes
  • Calories burned: 160

As you can see, the weights are different, resulting in an 80-calorie differential after 30 minutes of walking. The calorie differential would be significantly greater if you run. 

When you consume more calories than you expend, you also end up with a calorie deficit, which is partly attributable to the amount of exercise you do. As a result, weight loss will be greater, and you will notice that you lose more weight if you weigh more.

How To Maximize Calorie Burn And Weight Loss?

To achieve your weight-loss objective, you must maximize your calorie burn on the treadmill. Adding an inclination to your walk can make your muscles work harder, raising your heart rate and burning more calories. You can also enhance your energy expenditure by wearing a weighted vest or holding light weights in your hands.

In order to maximize calorie burn and accelerate weight loss, you must increase duration of the workout, or its intensity, or both.

Make a transition from walking to running and you will burn more calories in a shorter amount of time. Set a challenging speed on the treadmill so you can go from brisk walking to running. The speed must be fast enough to increase your heart rate. In order to get a better reading on your heart rate, it is recommended that you wear a heart rate monitor on your wrist or use a chest strap.

Incorporate a treadmill workout with high-intensity interval training (HIIT) into your program. HIIT workouts are helpful because they raise your heart rate to the fat-burning zone (80 to 95 percent of maximal heart rate), allowing you to burn more calories and boost your metabolism, according to the American Council on Exercise.

Stay committed to exercise on the treadmill for 30 minutes to an hour each day as you burn calories to work toward your 40-pound weight-loss goal.

Change Your Lifestyle And Diet For Fitness

Weight loss is highly influenced by the foods that are consumed as well as physical activity. If a healthy nutrition plan is not followed, losing 40 pounds on a treadmill may be impossible. Healthy weight loss is not just about diet; it is also about maintaining a consistent lifestyle that includes long-term changes in daily eating and activity routines.

According to the CDC, you may need to reduce your diet to between 20% and 40% of your normal calorie needs to achieve a better result. The 2020 Dietary Guidelines for Americans recommend cutting 500 to 750 calories every day  and engage in regular exercise to lose 1 to 1.5 pounds per week in a safe and healthy manner.

If you run for an hour and subsequently consume more than 3200 calories in a day, the benefit of exercise on your body weight is negated.

You should avoid popcorn, ice cream, hot dogs, or other types of junk foods. You should also limit your food intake to three meals a day, even if you are eating more. It is best to avoid eating fried meals, dishes that have been frozen, and fried potatoes for dinner and lunch. Get by on vegetables, and you’ll lose 40 pounds faster than you think.

Final Words: Lose 40 Pounds On a Treadmill

To summarize, it may take 4-5 months on average for you to lose 40 pounds if you follow a nutritious diet, exercise consistently, drink plenty of fluids, especially when exercising, and have a balanced sleep cycle. My advice for anyone who wants to lose weight is to not set a timetable for themselves, even if they have a vacation coming up.

Losing weight doesn’t have to be a race against the clock, simply start taking measures to reduce weight and you’ll be astonished at the outcomes. Instead than focusing on how quickly or slowly you lose weight, focus on going with the flow and how you feel when you’re losing weight.

You will undoubtedly succeed if you have patience and dedication.  Always keep in mind that everyone is unique, and so, outcomes may vary from one individual to another.

Frequently Asked Questions (FAQs)

How fast can I lose 40 pounds?

In order to lose weight, you must first understand the fundamentals of how fat is stored in your body and can you get rid of them by working hard? The answer is both simple and complex at the same time: you must limit your energy consumption.

Losing 1-2 pounds of body weight every week is considered healthy. The diets that advise extreme calorie restriction, especially single-product fad diets, juice cleanses are deemed harmful to your health. Also, it’s detrimental to your health because it lacks critical nutrients and quickly regains your weight after you stop following this type of diet.

It is estimated that a healthy weight loss is between 1-2 pounds each week. A pound of fat contains 3,500 calories. Thus, to lose one pound each week, you must reduce your calorie consumption by 500 calories per day, and to lose two pounds, you must reduce your calorie intake by 1,000 calories per day. Using simple math, this means losing 40 pounds at a rate of 2 pounds per week takes about 4-5 months.

However, a variety of factors contribute to the ambiguity of these figures The first consideration is gender.

How long does it take to lose 40 pounds on a treadmill as a woman?

Women typically burn between 1,600 and 2,100 calories per day on average. The reduction in calorie intake by 1,000 calories will result in some persons consuming less than 1,200 calories on a daily basis, which is insufficient in terms of micro and macronutrients, and can actually impede their metabolism instead of increasing it.

Insufficient calorie intake may induce lean muscle mass loss, especially if you avoid exercise. Losing muscle, which consumes more energy than fat, slows metabolism and makes weight reduction more difficult. For most people, taking only 1,200-1,400 calories per day can lead to weight loss, but it may be harmful to your body.

Therefore, you may set a weekly weight loss goal of one to 1.5 pounds, or you could go for another extremely beneficial choice – you should begin exercising.

Is it possible to lose 40 pounds in 2 months?

It’s aggressive to lose 40 pounds in 2 months. That appears to be insane. However, if you make dietary modifications and do exercise regularly, you can lose 40 pounds in two months.

It’s also crucial to think about your overall health strategy after two months.

Maintaining a healthy lifestyle after reaching your objective is equally vital to bear in mind when planning your strategy. You should develop a habit of exercise and healthy diet.

Is it possible to lose 40 pounds in 3 months?

You can safely lose 24 pounds in three months, and possibly as much as 30 pounds if you follow a healthy diet. To lose 40 pounds in three months, you would need to lose more than 3 pounds per week, which is perhaps too aggressive.

Many people become stuck after reducing weight for a period of time. This occurs as a result of the slowing of the basal metabolism. They claim that decreasing weight too quickly is harmful to our overall health and destroys muscle mass.

How long does it take to lose 40 pounds on the Keto diet?

You will most likely notice a considerable weight loss after the first week of following the Keto diet. Most people should expect to lose between one and two pounds each week on a balanced diet and a regular exercise program. On the other hand, those who adhere to the Keto diet often lose between 2 and 10 pounds. However, you should keep in mind that this is primarily water weight due to Keto’s rigorous carbohydrate restriction.

With time, the rate of fat loss will slow down, and you may anticipate to lose 4 to 10 pounds of fat every month if you stick to the Keto diet. That means you may expect to lose approximately 40 pounds in the same 4-5 months as the average person.

How long does it take to lose 40 pounds if I don’t eat?

A fad diet and cleansing with juice are incredibly hazardous to your health. The same can be said about long-term fasting (which should not be confused with intermittent fasting, which is a fantastic choice in general).

Fasting for a few days is unlikely to be harmful to the majority of healthy people, as long as they don’t become dehydrated. Fasting over extended periods of time, on the other hand, is harmful.

To maintain good health, your body requires nutrients such as vitamins, minerals, and other trace elements from diet. You may experience symptoms such as weariness and dizziness as a result of orthostatic hypertension, constipation, dehydration, and an inability to tolerate low temperatures if you do not consume enough calories. Fasting for an excessive amount of time might be fatal.

You may also lose the wrong kind of weight, such as muscle mass, water, and carbohydrates, and you may become dehydrated (yes, water fasting may cause dehydration because 30% of daily water intake comes from food). Furthermore, fasting, particularly when done for an extended period of time, may aggravate some medical issues such as gout, diabetes, and eating disorders.

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