What is a Kilojoule (kJ)?

A kilojoule (kJ) is a unit of energy equal to 1,000 joules.

Definition

Symbol

kJ

Category

Energy

System

Metric

1 {unit} = {value} {otherUnit}

1 Kilojoule = 1000 Joule (J)

1 Kilojoule = 239.006 Calorie (cal)

1 Kilojoule = 0.239006 Kilocalorie (kcal)

1 Kilojoule = 0.277778 Watt-hour (Wh)

1 Kilojoule = 0.000277778 Kilowatt-hour (kWh)

Common Uses

  • Nutritional labeling
  • Chemical reactions
  • Heating calculations

Kilojoule Conversions

Related Units