A new predictive equation for resting energy expenditure in healthy individuals. In adults under 65 in the: » Healthy weight range (BMI 18.5 to 24.9 kg/m 2 ), use actual body weight » Underweight range (BMI 25.0 kg/m 2 ), use the Mifflin-St Jeor equation and actual body weight (1) In adults 65 and older in the: » Healthy weight range (BMI 21 to 27 kg/m 2 ), use actual body weight » Underweight range (BMI 27.0 kg/m 2 ), use the Mifflin-St Jeor equation and actual body weight (1) References 1. Demographic and anthropometric data were used to calculate the REE using gender-specific predictive equations3: Mifflin St. The Harris-Benedict Equations derived in 1919 overestimated measured REE by 5 (p < 0.01). To produce a more accurate measurement, use the following recommendations. Other formulas were developed using actual weight. For many formulas, if the patient/client is overweight or obese using actual body weight can overestimate the energy estimates because adipose tissue requires less energy than lean muscle mass. Next, convert the inches to centimeters by multiplying by 2.545. ![]() How to Calculate How to Calculate the Mifflin-St Jeor Formula First, convert pounds to kilograms by dividing by 2.2. Now you can easily match your meal calories and additional energy-consuming activities to your daily caloric requirements. What Is the equation for Mifflin-St Jeor This equation is one of the most accurate methods for determining your caloric needs. Basal metabolic rate is the amount of energy expended per day at rest (how many calories you would burn on bed rest). Our BEE calculator is here to help you calculate your Basal Energy Expenditure in no time just enter all the necessary data, and receive your daily caloric expenditure - presented both in total and basal energy. Energy-prediction equations include body weight as one of the factors in the formula. Jeor calculator (or equation) calculates your basal metabolic rate (BMR), and its results are based on an estimated average.
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