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BMR CALCULATOR

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Calculate your Basal Metabolic Rate (BMR) with this easy-to-use tool.

Your BMR is the amount of energy your body spends each day when at rest. Your gender, your age, your height and your weight are important for this calculation.

In addition, you may select your current activity level from the list below, which will provide you with information about how many calories your body requires based on your level of activity.

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What is BMR?

BMR stands for Basal Metabolic Rate and represents the number of calories you would burn in a day if you were inactive and stayed in bed all day. Our BMR calculator allows you to calculate not only the number of calories you burn when your body is at rest and inactive but also a daily calorie figure that takes into account your lifestyle activity level. These two figures together give you a representative figure for your daily calorie intake.

This BMR tool uses two formulas to calculate figures:

  • Basal Metabolic Rate (BMR): This formula takes basic variables such as your age, weight and height and provides you with the number of calories you might burn each day if you were inactive for that day.
  • Harris Benedict Formula: We use the original Harris Benedict Formula to calculate your daily calorie burn based upon your activity level. The calculation is fairly straight forward, taking your BMR and multiplying it by a set figure based on how active you are.

Using these equations, our calculator can provide you with a somewhat accurate gauge of your daily calorie burn. Do bear in mind that the one thing this method omits is lean body mass, which will obviously have a factor of its own. Very muscular people, for example, would receive a figure that probably under-estimates their calorie needs and very overweight people will get a calculation that over-estimates their calorie requirements.

Whilst every effort has been made in building this BMR calculator, LowFatLowCarb.com cannot be held liable for any special, incidental, direct, indirect or consequential damages or monetary losses of any kind arising out of or in connection with the use of this calculator, its results and/or information derived from this web site. This BMR calculator is here purely as a service to you, please use it at your own risk. As each person and body is different, always consult with a certified physician or health professional for advices and guidance on your personal daily calorie consumption recommendation.