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Harris Benedict Equation Calculator

Calculate how many calories to consume in a day to sustain current weight and metabolism with this Harris Benedict Equation Calorie Intake Calculator.


BMR:
Activity Level Mulitplier:

Enter your Basal Metabolic Rate (Females / Males) and the activity level
multiplier that best matches your lifestyle.

Activity Level Multiplier:
1.200 = Sedentary Lifestyle (very little exercise)
1.375 = Lightly Active Lifestyle (exercise 1-3 days/week)
1.550 = Moderately Active Lifestyle (exercise 3-5 days/week)
1.725 = Very Active Lifestyle (exercise 6-7 days/week)
1.900 = Extremely Active Lifestyle (very hard exercise and physical job
or heavy athletic training)

What are calories?
Calories are a measurement of energy. The body
stores excess energy in fat cells.

How many calories should I eat?

That depends on your goals, if you wish to maintain weight, lose weight,
or gain weight. This calculator can give you an approximation of how
many calories you need to maintain your current weight.

To determine the amount of calories needed to sustain your current
weight and metabolism use this calorie per day formula:

Calories/Day = BMR x Activity Multiplier

Example: For a body with a BMR of 1605 and an exercise level of
4 days/week:

Calories/Day = 1605 x 1.550

This gives an answer of 2,488 calories/day needed to meet current body
energy needs.