How many calories should you eat a day?

What is a calorie?


When we talk about calories, we think of the food in terms of how much fattening it can be. Usually, it is what people consider first when they are diet conscious. Generally, you will be told to eat food that is low in calories which can prompt up the question that how many calories should you eat a day.

People look up to find a definitive answer and it is very unlikely that you will get one. There are different equations in effect using which various calculators can provide you the daily caloric intake of your body to maintain your current weight. Depending on that, you can lower down the consumption of calories to lose weight or increase it to gain a few pounds.

What is a calorie?

A calorie is generally seen as a measure of fat contents in a food. However, it is a totally different thing. In scientific way, if we define a calorie, it is the amount of energy required to increase the temperature of 1 gram of water by 1 degree Celsius. And in simpler words, it is the amount of energy we consume through out food.

The role of calories and food

The definition makes it easy for us to understand how a calories play role in our weight. Considering it as the amount of energy we are taking on daily basis through our food, we can match it up with the energy that we are burning.

Some of the calories, perhaps the majority of it, will be burnt by our body and metabolism. It depends on factors that how much energy an individual is able to burn. Men generally consume more calories as compared to women and they burn more too. So, using your age, gender, weight, and height, you can calculate the daily energy you need for your body processes.

How many calories should you eat a day?

There are different calculators and equations available to you in the modern era. These will help you in knowing how many calories you should consume. Harris Benedict is a popular equation for calculating the caloric needs of a person.

Generally, an adult male will need around 2500 calories while a female should consume 2000 calories a day for a healthy weight. However, as stated, things may chance depending on the age, size, height, weight, and similar other factors.

Moreover, if you add some activity to it as well, i.e. exercise or walking or some jogging, you will be able to burn more calories.

How many calories a day to lose weight?

In order to lose weight, you need to figure out the daily caloric needs of your body. It is an estimation that a deficit of 500 calories a day will be a total of 3500 calories a week and that is how many you need to lose 1 pound of weight. It is because when you weigh it, 3500 calories are said to be equivalent to 1 pound. So, depriving your body of these many calories will help you in losing the required weight. For faster weight loss, you can boost it up to 1000 calories a day and you will be able to lose 2 pounds per week.

The notable thing here is that not all the calorie deficit you need should come from the food. Instead, the caloric deficit can better come with a combination of good diet and healthy exercise. For instance, your goal is to burn 500 calories a day and lose a pound per week. You can eliminate 250 calories daily with the help of controlled diet while you can exercise for the remaining 250 calories to burn them.

How many calories a day to gain weight?

While many people look for how many calories should you eat a day for losing weight, there are some individuals who may look up to increasing their weight a bit. For that, you can simply increase the caloric intake and the amount of food you eat each day. However, make sure that you are eating healthy and you don’t have anything that may harm your health. One can always consult with a nutritionist for such things.


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