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Harris Benedict Equation Calculator

Harris Benedict Equation Calculator

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Height:

 

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Weight:

 

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The Harris benedict calculator measures the total number of calories in our diet. Harris-Benedict Formula is quite useful for measuring our per-day energy requirements.

Harris-Benedict Equation:

The first formula to measure BMR was invented by the Harris-Benedict. The Harris-Benedict formula is based on the variables like height, weight, age, gender, and activity level.
There is a separate Harris-benedict equation for men and women:

Sex Units Calculation
Men Metric BMR = 66.5 + ( 13.76 × weight in kg ) + ( 5.003 × height in cm ) – ( 6.755 × age in years )
Imperial BMR = 66 + ( 6.2 × weight in pounds ) + ( 12.7 × height in inches ) – ( 6.76 × age in years )
Women Metric BMR = 655 + ( 9.563 × weight in kg ) + ( 1.850 × height in cm ) – ( 4.676 × age in years )
Imperial BMR = 655 + ( 4.35 × weight in pounds ) + ( 4.7 × height in inches ) – ( 4.7 × age in years )

Why Use the Harris-Benedict Equation?

We can measure the accurate level of our Total Daily Energy Expenditure or TDEE requirements by the Harris-benedict equation. When we are measuring the energy requirements, we can ignore various parameters and may ignore the calorie requirements for various age groups. To measure your total daily calorie requirement, you need to multiply your BMR by the appropriate activity level.  

Calorie-Calculation Sedentary Little or No Exercise BMR x 1.2
Calorie-Calculation Lightly Active Sports 1-3 Days/Week BMR x 1.375
Calorie-Calculation Moderatetely Active Sports 3-5 Days/Week BMR x 1.55
Calorie-Calculation Very Active Sports 6-7 Days a Week BMR x 1.725
Calorie-Calculation Extra Active Physical Job or 2xTraining BMR x 1.9

When you intend to lose weight then you may need to shed weight at various rates according to your body’s requirement. For various activities level, it is quite convenient to use the Harris Benedict BMR calculator for avoiding any mistakes in determining your BMR level.

Practical Example:

Calculate the BMR, TDEE, and Macros requirement of a person. The age of the person is 25 years his height is 5 feet 9 inches, his weight is 158 lbs and he is maintaining a moderate activity level.

Given:

Age = 25 years

Gender = Male

Height =  5 feet 9 inches

Weight = 158 lbs

Activity level = Moderate

Solution:

Enter values in the harris-benedict equation for men:

BMR = 66.5 + (13.75 × weight [kg]) + (5.003 × height [cm]) – (6.775 × age [years])

BMR =1760 kcal/day

Total Energy Expenditure =2728 kcal/day

Carbohydrates =375 Grams per day

Protein = 102 Grams per day

Fats = 205 Grams per day
Practical Example

When you are using the Harris benedict equation calculator, then you know the accurate calorie deficit, according to your activity level and body weight. The Harris benedict calculator precise values of BMR and TDEE relative to the activity level, height, weight, age, and gender.

How does Harris Benedict Calculator Work?

The Harris-benedict equation calculator is 100% free and provides you with precise results; you just need to stick to the given steps to calculate BMR and TDEE:

Input:

  • Enter your age 
  • Select your gender
  • Enter your height
  • Enter your weight 
  • Choose your activity level
  • Hit calculate button

Output:

  • The BMR level 
  • TDEE value
  • Carbohydrates, fats, and protein level

References:

From the source Wikipedia: Harris-Benedict equation,The Harris-Benedict BMR

From the source ncbi.nlm.nih.gov: Harris Benedict formula,Predict energy requirements