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What is the calorie requirement and how is it calculated?

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approx. 2 Minutes


Calorie requirement is the amount of calories your body needs per day to perform your daily activities and maintain your physical functions. It includes not only basal metabolic rate (the calories your body burns when you don't exercise), but also the calories you consume when you do exercise.


Caloric needs are important because they help you understand how many calories you consume per day and how many calories you should consume to maintain or change your weight. If you want to lose weight, you probably need to eat fewer calories than your body burns, while if you want to build muscle, you need to eat more calories.


Calorie needs depend on various factors such as age, weight, height, activity level, and goals (e.g., losing weight, gaining muscle, or maintaining weight).


There are several formulas for calculating calorie needs. One common formula is:


Total metabolic rate = basal metabolic rate * factor power metabolic rate


Calorie needs can be calculated by first multiplying basal metabolic rate, then power metabolic rate, and finally multiplying basal metabolic rate by power metabolic rate factor.


Caloric needs of women:

Women generally have lower caloric needs than men because they tend to have less muscle mass. Muscle uses more calories than fat, so people with more muscle mass need more calories to keep their bodies going.

Here are some general guidelines for women's calorie needs:


  • Low physical activity: calorie needs are about 1500-2000 calories per day.
  • Lightly active: calorie needs are about 2000-2500 calories per day.
  • Moderately active: Calorie requirements are approximately 2500-3000 calories per day.
  • Very active: Calorie requirements are approximately 3000-3500 calories per day.
  • Extremely active: The calorie requirement is about 3500-4000 calories per day.


Calorie needs of men:

Men generally have higher calorie needs than women because they have more muscle mass and therefore consume more calories.


Here are some general guidelines for men's calorie needs:


  • Low physical activity: calorie requirements are about 2000-2500 calories per day.
  • Lightly active: calorie needs are about 2500-3000 calories per day.
  • Moderately active: Caloric needs are about 3000-3500 calories per day.
  • Very active: Calorie requirements are approximately 3500-4000 calories per day.
  • Extremely active: Calorie requirements are at least 4000-4500 calories per day.


It is important to note that these numbers are only general guidelines and actual calorie needs may vary from person to person. There are many factors that affect caloric needs, such as type and intensity of physical activity, age, gender and even genetic predisposition.

More information

Always consult your healthcare provider to ensure that the information displayed on this page applies to your personal circumstances.

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