How many calories is it possible to eat in a day

To lose weight, you need to eat fewer calories than your body burns each day. Conversely, to gain weight, you need to consume more calories than you expend 1. Developing a healthy diet and lifestyle plan that will help you lose weight and keep it off in the long term requires much more than determining your current calorie needs and then eating fewer calories on a daily basis 9.

Although decreasing the number of calories you consume can be effective for weight loss, cutting calories without considering which foods you eat is not a sustainable way to lose weight. For example, choosing more nutrient-dense foods — think whole grains, nuts, vegetables, and fruits — will benefit your health more than opting for nutrient-poor ones like soda, donuts, and candy.

When it comes to losing weight, protein is incredibly important. Studies show that increasing your intake of protein may help keep you full and curb your appetite 10 , Protein may also help fight cravings. According to some research, high protein snacks can help enhance feelings of fullness while also decreasing hunger and appetite Plus, in addition to promoting weight loss, some research suggests that maintaining a high protein eating pattern could help prevent or reduce weight regain and help maintain muscle mass 13 , Therefore, if you want to achieve long-lasting, sustainable weight loss, consider increasing your protein intake by adding foods like eggs, meat, poultry, tofu, nuts, seeds, or legumes to your diet.

Increasing your protein intake can help you stay satisfied and consume fewer calories. This may help you lose weight and keep it off. Another relatively easy change you can make is to limit your intake of sugar-sweetened beverages, including sodas, fruit juices , chocolate milk, and other beverages with added sugar. Additionally, studies suggest that consuming sugary drinks is associated with an increased risk of obesity 16 , The harmful effects of sugar also go far beyond weight gain.

In fact, added sugar can contribute to other health issues, including heart disease, liver problems, and type 2 diabetes Sugar-sweetened beverages are high in calories and added sugar. Additionally, they affect your hunger and satiety less significantly than solid foods and have been linked to a higher risk of obesity.

One simple thing you can do for your health is drink more water. Adequate hydration is associated with improved brain health and weight management, as well as a reduced kidney stone risk When combined with a healthy diet, drinking more water, especially before meals, appears to be helpful if you need to lose weight.

Home Common health questions Food and diet Back to Food and diet. What should my daily intake of calories be? What are calories? The amount of energy you need will depend on: your age — for example, growing children and teenagers may need more energy your lifestyle — for example, how active you are your size — your height and weight can affect how quickly you use energy Other factors can also affect how much energy you burn.

For example: some hormones chemicals produced by the body — such as thyroid hormones some medicines — such as glucocorticoids, a type of steroid used to treat inflammation being unwell Calories and kilocalories The term calorie is commonly used as shorthand for kilocalorie. Maintaining a healthy weight To find out if you are a healthy weight, use the BMI calculator.

Eat more fiber : Fiber, found in fruits, vegetables, and wholegrains, can help you feel full and encourage healthy digestion. Check the label : Some items have hidden fats or sugars. If you are counting calories, the label will help you keep track. Use smaller plates : Research indicates that portion sizes have increased over the last 3 decades, and this may contribute to obesity.

Using a smaller plate encourages smaller portions. Slow down : Eat slowly and rest between courses or extra servings, as it can take 20 to 30 minutes for your body to realize it feels full. Make a shopping list : Plan a week of healthful meals and snacks, list the ingredients you need, and when you go grocery shopping, stick to it. A little of what you fancy : Banning foods can lead to cravings and bingeing. Spoil yourself occasionally with a favorite treat, but in smaller amounts.

Get enough sleep : Sleep loss affects the metabolism, and it has been linked to weight gain. Avoid eating 2 hours before bed : Eating within 2 hours of sleeping can interfere with sleep quality and promote weight gain. Here are some examples of activities and the calories they can help you burn in 30 minutes. The estimates are for a person weighing pounds. Keeping calorie intake within certain limits will not ensure a healthful diet, as different foods have different effects on the body.

After consuming carbohydrates carbs , insulin levels will rise significantly more compared with eating fats or protein. Some carbs in particular get into the bloodstream in the form of sugar, or glucose, much faster than others.

Refined flour is a fast carb, while legumes are slower. Slow-release carbs are better for body weight control and overall health than fast carbs. A calorie meal of fish or meat, salad, and some olive oil, followed by fruit, is more healthful and will stave off hunger for longer than a calorie snack of popcorn with butter or toffee.

To work out how many calories you need, you need to know your basal metabolic rate and an activity factor. To calculate your BMR automatically, follow this link and enter your details into the calculator. This will give a rough idea of the daily calorie intake you need to keep your body weight where it is.

The result is still not perfect, as the equation does not take into account the ratio of muscle to fat. A very muscular person needs more calories, even when resting.

This is to settle a bet with a friend. I think what you're looking for is the LD50 of cooking oil or fat multiplied by the average weight of an adult lbs for an adult man multiplied by 9 kcal per gram.

That would give you the average maximum number of calories that an adult man would be able to ingest via the most efficient means largest number of calories per weight. Best answer: I was watching some show about the morbidly obese at Brookhaven clinic in New York, and it was said that some of those people were doing Thousand calories or more per day. I would suppose that they were probably pretty close to the limit of human consumptive ability.

These were people who, for whatever reason, would eat as much as they could as often as they could. Best answer: During training and during competition in the Tour de France, riders go through upwards of calories per day, and unlike PF's example they do not get fat.

They really are using that much energy on an ongoing basis. This page says " calories per day average, max". This one says " calories per day". Den Beste at PM on August 26, Best answer: I'd suspect it's feasible to do around k dietary calories per day.

When I rode a loaded touring bike cross-country, covering around miles a day, I was consuming maybe 7,, calories each day. I understand Tour de France riders eat around 10, a day.