What is a Calorie (cal)?

A calorie (cal) is a unit of energy defined as the amount of heat needed to raise the temperature of 1 gram of water by 1°C.

Definition

Symbol

cal

Category

Energy

System

Metric

1 {unit} = {value} {otherUnit}

1 Calorie = 4.184 Joule (J)

1 Calorie = 0.004184 Kilojoule (kJ)

1 Calorie = 0.001 Kilocalorie (kcal)

1 Calorie = 0.00116222 Watt-hour (Wh)

1 Calorie = 0.00000116222 Kilowatt-hour (kWh)

Common Uses

  • Chemistry experiments
  • Thermodynamics
  • Small-scale energy measurement

Calorie Conversions

Related Units