Our tool below tells you about how many calories a day you burn at rest. That figure is your basal metabolic rate, or the ...

Your activity level, age, height, quality of sleep, and weight all affect the exact number of calories you need. That said, ...

Paired with your daily calories burned, you can determine your total calorie expenditure.

Calories are the energy in food and beverages, allowing you to move, breathe, and survive. The number of calories a person needs per day varies depending on several factors, such as age, height, ...

What Is a Calorie Deficit? Calories are a measure of the amount of energy in food. All of the cells in your body require energy in order to work properly, just like a car needs fuel. They get that ...