What is BMR?

Your Basal Metabolic Rate (BMR) is the rate at which energy is used for everyday life functions such as; breathing, blood circulation, nervous systems operations, body temperature regulation etc.

Basically, if you were to lay in bed all day and not doing anything, this BMR calculator will work out how many calories your body will need to maintain your normal body functions - this does not include any extra calories needed to support any physical activity.

All you need to do is fill in your information below.