Archive for the ‘Basal Metabolic Rate’ Category

Counting Calories and Weight Loss Success

Sunday, April 24th, 2011

If you wish to win the weight-loss race, you have to begin with finding the starting line.  Determining the number of calories necessary to maintain your current weight is useful information when it comes to fighting the battle of the bulge.  This number then can help you to determine how many daily calories you will need to consume to actually lose weight.  The Mifflin-St. Jeor equations are a fairly accurate tool to establish daily calorie requirements.

 Counting Calories and Weight Loss Success

Counting Calories

The process to determine your base caloric number is as follows:

1.     Convert your weight and height

Current Weight ____________ Divided by 2.2 ____________ = your weight in Kilograms

Height in inches ____________  x 2.54 = your height in centimeters  

2.     Calculate A

10 x ____________ (weight in kilograms from step 1) = _____________ A

3.     Calculate B

6.25 x ___________ (height in centimeters from step 1) = _____________ B

 Counting Calories and Weight Loss Success

Mifflin-St. Jeor Equations

4.     Calculate C

5 x age = ____________ C

5.     Calculate your caloric needs


A + B = __________ – C = __________ + 5 = ___________ = BMR (Basal Metabolic Rate)


A + B = __________ – C = __________ – 161 = ___________ = BMR (Basal Metabolic Rate)

6. Activity levelphysical activity Counting Calories and Weight Loss Success

1.200 = Sedentary (Little or no exercise)

1.375 = Minimally active ( Light exercise/sports 1-3 days/week)

1.550 = Moderately active  (Moderate exercise/sports 3-5 days/week)

1.725 = Very Active (Hard exercise/sports 6-7 days a week)

1.900 = extra active (Very hard exercise/sports and physical job)

Your BMR ___________ x your activity level ___________ = your daily caloric needs

To lose one pound per week you have to subtract 500 from the number above (daily caloric needs).  This number tells you how many calories you should consume each day to achieve weight-loss.

To lose two pounds per week, in addition to adjusting your caloric intake as indicated above, add 45 minutes to an hour of physical activity each day. 

Using the above equations a 42 year old, 6 foot, 200 pound man who lives a moderately active lifestyle would have a BMR (Basal Metabolic Rate) of 1849.  This same man would need to take in 2866 calories a day to maintain his current weight.  If this man wanted to  lose a pound a week he would have to maintain his current lifestyle and eliminate 500 calories from his daily intake.     

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