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BMR Calculator How Many Calories Do You Burn?
Use this BMR Calculator to find out how many calories is required to maintain your current weight or to lose a few pounds.
Your body uses energy no matter what you do. You could be bedridden and still burn calories. Your body still needs energy to maintain normal functions.
Your Basal Metabolic Rate is the number of calories you burn just to sustain life, depending on your gender, height, weight, and age. With added activity to your day and you burn an additional amount of calories.
Basal Metabolic Rate Calculator
The Harris Benedict Equation
This calculator uses the Harris Benedict Equation. The Harris Benedict Equation is a closely accurate formula that uses your basal metabolic rate and applies an activity factor to determine an estimate of your total energy expenditure (how many calories you burn). The only thing it doesn't take into account is your lean body mass.
The Formula:
Women: Basal Metabolic Rate = 655 + ( 4.35 x weight in pounds ) + ( 4.7 x height in inches ) - ( 4.7 x age in years )
Men: Basal Metabolic Rate = 66 + ( 6.23 x weight in pounds ) + ( 12.7 x height in inches ) - ( 6.8 x age in years )
With Activity:
Multiply your Basal Metabolic Rate by the appropriate activity factor:
Sedentary (little or no exercise): BMR x 1.2
Lightly active (light exercise/sports 1-3 days/week): BMR x 1.375
Moderately active (moderate exercise/sports 3-5 days/week): BMR x 1.55
Very active (hard exercise/sports 6-7 days a week): BMR x 1.725
Extra active (very hard exercise/sports & physical job or 2x training): BMR x 1.9
This number gives you the amount of calories you need to maintain your weight.
Important Note: BMR calculators should only be used as a rough estimate on your daily energy expended. Exact values can not be achieved and cannot account for factors such as diet, body type, body composition, and genetics.
