Basal Metabolic Rate

You expend energy no matter what you're doing, even when sleeping. Thus your Basal Metabolic Rate is the number of calories you'd burn if you stayed in bed all day - a tempting idea for some. If you've noticed that every year, it becomes harder to eat whatever you want and stay slim, you've also learned that your Basal Metabolic Rate decreases as you age. Likewise, depriving yourself of food in hopes of losing weight also decreases your BMR, a foil to your intentions. However, a regular routine of cardiovascular exercise can increase your BMR, improving your health and fitness when your body's ability to burn energy gradually slows down.

For maintenance means your basal metabolism: The energy needed by your heart, lungs, kidneys, brain, etc. even when you are sleeping.

• Basal Metabolism Calculator:
      A thumb rule:
  For males: Body weight x 12.
  
• For females: Body weight x 11.
  

A person needing 1400 calories can obtain them by eating:
                - carbohydrates: 188 grams (55%)
                - proteins: 51 grams (15%)
                - fats: 45 grams (30%).

Calculator for All Calories needed:
Including basal metabolic rate, plus energy expended during physical activity, plus the thermic effect of food.
The Calculator gives the data having in account the age; Activity:sedentary, moderate and active; and gender:
As a thumb rule:

• For males:
  • Sedentary activity: Body weight x 13.
  • Moderate activity: Body weight x 15.
  • Active activity: Body weight x 17.
• For females:
  • Sedentary activity: Body weight x 12
  • Moderate activity: Body weight x 14
  • Active activity: Body weight x 16.

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