From the American College of Sports Medicine (ACSM).
These two body fat percentage charts are comprehensive depending on age group.
From the American Council on Exercise (ACE).
A simplified overview without taking in age factor.
Resting Energy Expenditure (Ree)
More commonly known as Basal Metabolic Rate (BMR).
The management of body weight is dependent on energy balance, intake and expenditure.
To reduce body weight, energy expenditure must exceed energy intake, referred to as negative energy balance.
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There are several factors that influence REE. Such as a person's genes, body composition, lean body mass such as skeletal muscle has a major influence on REE. Other factors include the brain, the liver, age, gender, and ethnicity.
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Below are equations to estimate your Resting Energy Expenditure.
Harris-Benedict (for adults)
Women | 665 + [ 9.6 x (weight in pounds x 0.453592) ] + [ 1.8 x (height in inches x 2.54) ] - [ 4.7 x (age in years) ]
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Men | 66.47 + [ 13.75 x (weight in pounds x 0.453592) ] + [ 5 x (height in inches x 2.54) ] - [ 6.8 x (age in years) ]
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Mifflin-St. Jeor (for obese adults)
Women | [ 10 x (weight in pounds x 0.453592) ] + [ 6.3 x (height in inches x 2.54) ] - [ 5 x (age in years) ] - 161
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Men | [ 10 x (weight in pounds x 0.453592) ] + [ 6.3 x (height in inches x 2.54) ] - [ 5 x (age in years) ] + 5
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