No, the calorie is an older unit. The SI unit is the Joule.
The Calorie.
The difference between a calorie and a Calorie is calorie is a smaller unit than Calorie and it takes 1000 calorie's to make a Calorie. The Calorie (kilocalorie, kcal) is 1000 calories - a more useful unit and widely used.
Energy
Calorie
A calorie is the unit of energy needed to heat a litre of water by one degree.
Wrong. The calorie is not an SI unit, and it is confusing because it comes in two varieties: gram when spelled calorie (small c) and Kilogram when spelled Calorie (Capital C). The SI energy unit is the Joule.
calorie--
calorie
no
no, it is not a measurement
A Calorie