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BMR & Daily Calories Burned

The basal metabolic rate (BMR) and calorie calculator is a excellent tool for working out how many calories your body needs on a daily basis depending on the amount and intensity of the exercise you do.

This calculator uses the formula for Basal Metabolic Rate (BMR) devised by doctors at the University of Nevada Medical School and published in the American Journal of Clinical Nutrition in 1990, then uses the Harris Benedict activity multiplier to determine your estimated daily caloric burn off.

Remember that the Basal Metabolic Rate is how many calories you’d need to maintain your body weight if all you did all day was lay in bed and your only activity was eating. Just sitting up and typing a a few hours a day, walking from the couch to your car, from the car to your office, etc. boosts your daily needs up by 20%. If you lead a lifestyle where you have high levels of exertion every day, it can nearly double your calorie needs.

Just fill out the fields in the form below and click “calculate my calorie needs” to get your BMR and your daily calorie needs.


(in years)



Activity Level:

Your Basal Metabolic Rate is:

Your Average Daily Calorie Need is:

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