What do you mean by the term calorie

The amount of energy in an item of food or drink is measured in calories.Many of the packaged foods you'll find at the grocery store contain empty calories.It is also known as a kilocalorie.When you use the term calorie, you're really talking about a kilocalorie (kcal).If this continues, over time we may put on weight.

Depending on where you live, energy may also be measured in.Just to clarify, a 1,200 calorie diet mean kcal and would equate to 12,000 small calories.All food contains calories, and we need a certain amount of calories each day.It is generally used in publications and package labels to express the energy value of foods in per serving or per weight, recommended dietary caloric intake, metabolic rates, etc.If more than half the calories come from fat, fat content must be reduced by 50% or more.

Since 1925 this calorie has been defined in terms of the joule, the definition since 1948 being that one calorie is equal to approximately 4.2 joules.Simply put, a calorie is a unit of heat defined as the amount of energy needed to raise the temperature of 1 gram of water by 1 degree celsius.Calories go big calories are now.As a guide, an average man needs around 2,500kcal (10,500kj) a day to maintain a healthy body weight.Less than 5 calories label claim :

The symbol for the calorie is cal.A calorie is actually a unit of heat energy.