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Calories Burned, BMR, Dietary Thermogenesis
Advice About Calorie Intake and Metabolic Rate
Diet and Weight Loss Advice - Weight Reduction Guide

How Are Calories Burned?

Calorie Needs to Gain Weight - Estimate Calorie Needs
Harris Benedict Calorie Needs Formula - Katch-McArdle Caloric Needs Formula - Body Surface Area
Basal Metabolic Rate - Energy Equation - Energy Intake - Very Low Energy Diets
Calories Needed in Pregnancy - Low Calorie Sweeteners - Fat Replacers/Substitutes

In simple terms, we burn calories to support three main types of activity.

A. Our Basal Metabolic Rate (BMR)
On average this accounts for about 60 percent of all energy expenditure, and is the amount of energy or calories our body consumes on basic body processes, while at rest.

BMR varies according to several factors, especially the fat-muscle ratio of our body and the amount of exercise we take, but on average, our basal metabolic rate typically burns about 11 calories of energy per pound of body weight (women), or 12.2 calories per pound of body weight (men).

B. Physical Activity
On average this accounts for about 30 percent of energy expenditure.

C. Dietary Thermogenesis
This is the energy or calories we burn as we eat and digest food. It accounts for about 10 percent of the total energy we expend.

See also:
Body Weight: Energy & Calories

For more information about calories burned by exercise as well as advice on counting calories in food, see: Calories Burned and Food Calories

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This site provides general information about how to reduce weight and weight maintenance, featuring articles on a variety of weight-related topics like obesity and overweight, calorie reduction, exercise expenditure, healthy eating plans and dietary nutrition, as well as fat loss, healthy body fat and more. If you are concerned about your weight, for optimum health please talk to your doctor or health care provider before embarking on a new diet, fitness or weight reduction program. © 2005. All Rights Reserved.