Harris–Benedict Equation - Calories For Weight Loss Female

The Harris-Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual's basal metabolic rate (BMR) and daily kilocalorie requirements. The estimated BMR value is multiplied by a number that corresponds to the individuals's activity level. The resulting number is the recommended daily kilocalorie intake to maintain current body weight.

The Harris-Benedict equation may be used to assist weight loss -- by reducing kilocalorie intake number below the estimated maintenance intake of the equation.

Step 1 - Calculating the Harris-Benedict BMR

The original Harris-Benedict equations published in 1918 and 1919.

The Harris-Benedict equations revised by Roza and Shizgal in 1984.

The 95% confidence range for men is ±210.5 kcal/day, and ±201.0 kcal/day for women.

Step 2 - Determine Recommended Intake

The following table enables calculation of an individual's recommended daily kilocalorie intake to maintain current weight.

History

The Harris-Benedict equation sprang from a study by James Arthur Harris and Francis Gano Benedict, which was published in 1919 by the Carnegie Institution of Washington in the monograph A Biometric Study Of Basal Metabolism In Man. A 1984 revision improved its accuracy. Mifflin et al. published an equation more predictive for modern lifestyles in 1990. Later work produced BMR estimators that accounted for lean body mass.

See also

• Food energy
• James Arthur Harris
• Basal metabolic rate
• Resting metabolic rate

Cited sources

External links

• Harris-Benedict BMR Calculator at WebMD
• About.com's BMR Calculator

Interesting Informations

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