If you’ve ever wondered how many calories you should be eating each day, you’ve probably come across the term TDEE. Short for Total Daily Energy Expenditure, TDEE represents the total number of calories your body burns in a 24-hour period.

Body Mass Index, or BMI, is a widely used tool to assess whether a person has a healthy body weight for their height. Despite its popularity, many people do not fully understand what BMI measures, or the strengths and weaknesses of using it as a health indicator.