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Basal Metabolic Rate Calculator

This is a calculator borrowed from somewhere else that will estimate your BMR (Basal Metabolic Rate) and your AMR (Active Metabolic Rate). Your BMR, or basal metabolic rate (metabolism), is the energy (measured in calories) expended by the body at rest to maintain normal bodily functions. It's estimated that this continual work makes up about 60-70% of the calories we use ("burn" or expend) and includes the beating of our heart, respiration, and the maintenance of body temperature. Your BMR is influenced by a number of factors, including age, weight, height, gender, environmental temperature, dieting, and exercise habits.

To estimate your BMR, please fill in the physical characteristics and click on Enter below:To estimate your Basal Metabolic Rate, please fill in the physical characteristics and click on Calculate below:

Physical characteristics: BMR  
Age in years     

Weight in pounds 

Height in inches 

kcal/day for men
 
kcal/day for women

BMR can also be estimated as 70 W0.75 = kcal/day, where W is body weight in kilograms.

Obviously, there is more to life than just resting in that temperature-neutral environment. You must also have energy from your diet to support your activities above basal. Once you have calculated the BMR above, you can enter the minutes you spend in your various other activities each day. There are five levels from very light to very heavy. There are a few examples of each category to allow you to gauge where a given activity might fit. The result is only an estimate, but should give you an idea of your daily caloric needs.

Physical Activity, minutes/day Total Energy Requirement
Very Light Light Moderate Heavy Very Heavy
Examples include:
Reading
Sitting
Driving
Eating
Examples include:
Walking
Sweeping
Playing Piano
Bicycling (easy)
Examples include:
Fast walk
Dancing
Ping-Pong
Skating
Examples include:
Swimming
Running
Bicycle Race
Basketball
Examples include:
Boxing
Rowing
Mountain climbing
hr min tot hr min tot hr min tot hr min tot hr min tot kcal/day
for men

kcal/day
for women


Exected Weight Gain / Loss
Calories Consumed Net Calories / Day
Calories / day
Male
Female
lbs. Gained / Lost Day Week Month Qtr Year
Male
Female


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