The term Resting Metabolic Rate (RMR) refers to the rate at which a body at rest expends calories. The RMR is used as a basis for computing total calories expended during a day.

A number of factors affect an individual's RMR, including gender, age, body weight, height, muscle mass, climate and more. A number of formulas are available for estimating a person's RMR, with each providing slightly different results. To learn your own RMR, add your information to the form below: