Conversion

Common Equivalents

Information

About Calories

A calorie is a unit of energy. In nutrition, calories refer to the energy people get from the food and drink they consume.

Conversion Factors

  • 1 kilocalorie (kcal) = 1000 calories (cal)
  • 1 calorie (cal) = 4.184 joules (J)
  • 1 kilocalorie (kcal) = 4.184 kilojoules (kJ)

Common Food Energy Values

70 kcal
Medium Apple
250 kcal
Slice of Pizza
150 kcal
Banana
300 kcal
Bagel