<P> A calorie is a unit of energy . Various definitions exist but fall into two broad categories . The first , the small calorie , or gram calorie ( symbol : cal ) , is defined as the amount of energy needed to raise the temperature of one gram of water by one degree Celsius at a pressure of one atmosphere . The second , the large calorie or kilogram calorie ( symbols : Cal , kcal ) , also known as the food calorie and similar names , is defined in terms of the kilogram rather than the gram . It is equal to 7003100000000000000 ♠ 1,000 small calories or 1 kilocalorie ( symbol : kcal ) . </P>
<P> A calorie is a unit of energy . Various definitions exist but fall into two broad categories . The first , the small calorie , or gram calorie ( symbol : cal ) , is defined as the amount of energy needed to raise the temperature of one gram of water by one degree Celsius at a pressure of one atmosphere . The second , the large calorie or kilogram calorie ( symbols : Cal , kcal ) , also known as the food calorie and similar names , is defined in terms of the kilogram rather than the gram . It is equal to 7003100000000000000 ♠ 1,000 small calories or 1 kilocalorie ( symbol : kcal ) . </P>
1 kcal is equal to how many cal
1 kcal is equal to how many cal
1,000
1,000