Kilojoule

kJ

1,000 joules

About Kilojoule (kJ)

Equal to 1,000 joules, the kilojoule is the standard energy unit on food nutrition labels in Australia, New Zealand, and the European Union. A typical adult's daily energy requirement is about 8,700 kJ (approximately 2,080 kilocalories), and food packages in metric countries display energy content in kJ.

Category
Energy
Symbol
kJ
Also known as
kilojoules
01

CONVERT TO

Joule J Megajoule MJ Calorie (thermochemical) cal Kilocalorie kcal Watt-hour Wh Kilowatt-hour kWh British Thermal Unit BTU Electronvolt eV Therm thm Foot-pound ft·lbf

Frequently Asked Questions

What is a Kilojoule (kJ)?

1,000 joules

How many Joule (J) are in one Kilojoule (kJ)?

One Kilojoule (kJ) equals 1,000 Joule (J).

How many Megajoule (MJ) are in one Kilojoule (kJ)?

One Kilojoule (kJ) equals 0.001 Megajoule (MJ).

How many Calorie (thermochemical) (cal) are in one Kilojoule (kJ)?

One Kilojoule (kJ) equals 239.0057 Calorie (thermochemical) (cal).

How do I convert Kilojoule to Joule?

To convert Kilojoule to Joule, multiply the value by 1,000 (1 kJ = 1,000 J).