Here you can figure out your Basal Metabolic Rate - how many calories you need to keep going!
Your BMR gives an estimate of how many calories your body needs to sustain life. For more information, please see the WikiPedia Article.
We'll also estimate how many calories you need to maintain, lose or gain weight dependant upon your activity level. Please note this is only an estimate and will vary for each person!.
The WikiPedia article describing the concept of Basal Metabolic Rate is embedded in this page below:
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