BMR Calorie Calculator
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What is BMR?
BMR stands for “Basal Metabolic Rate”. This is simply defined as the amount of energy expended daily by the body. Your basal metabolic rate is necessary for the maintenance of your organs and their various functions, i.e. heart, lungs, digestive system, brain, skin, liver and kidneys.
Various Factors Affecting Calorie Calculations
Your basal metabolic rate generally decreases with age and lean body mass, therefore it is important to understand the variety of factors that affect one’s overall total daily caloric expenditure. This online calculator takes into consideration the following factors to give you the most precise calculation:
- Activity Level
Activity Level is very important in relationship to determine one calorie calculation known as the Harris-Benedict Equation. This calculator defines activity level as:
- Moderately Active – Workout/Exercise 2-3 times a week
- Very Active – Workout/Exercise 4-5 times a week
- Extra Active – Workout/Exercise 5-7 times a week (also for individuals who engage in physical activity for labor purposes)
Knowing your activity level can highly inflate your caloric intake. Choose wisely in order to get the most accurate calculation.
Also, this calculator gives you the option to calculate your daily calorie intake based on your macro nutrient ratios such as protein, carbohydrate and fat intake. You are given the option to determine protein intake based on body weight or lean body mass. You will need to know your body fat percentage to determine this particular calculation.
Once you input in your various measurements, i.e. height, weight, gender, etc. – this BMR calculator will give you four calculations:
- Mifflin-St Jeor Formula
- Katch-McCardle Formula (Requires Body Fat Percentage)
- Harris-Benedict Formula (Based on Activity Level)
- Average BMR
- Total Daily Energy Expenditure
Using this BMR calculator will give you a very good idea of how many calories you should be consuming on a daily basis in order to maintain your current body weight. Many individuals find themselves consuming far too many, and in some instances, not enough calories in order to maintain a healthy body and metabolism. This is a great tool to map out your overall nutritional requirements.