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Joule to Kilojoule

Convert measurements between Joule and Kilojoule.

Common conversions

100J = 0.1 kJ
500J = 0.5 kJ
1000J = 1 kJ
2400J = 2.4 kJ
3200J = 3.2 kJ
5500J = 5.5 kJ

Conversion information

1 Joule = 0.001 Kilojoule

SI unit of energy, equals one newton meter.
One thousand joules, used in nutrition and science.

Frequently Asked Questions

What is a joule?
It is the basic unit of energy in the International System, equal to the energy transferred when a force of one newton moves an object one meter.
Where is the joule used?
It is used in physics, engineering, and chemistry to measure energy, work, and heat.
How many joules are in a kilojoule?
One kilojoule equals 1,000 joules.
Where is the kilojoule used?
It is often used in nutrition to express the energy value of foods.

Other energy conversions

Joule a Watt-hour Joule a Kilowatt-hour Joule a Kilocalorie Joule a Food Calorie Joule a BTU Kilojoule a Watt-hour Kilojoule a Kilowatt-hour Kilojoule a Kilocalorie Kilojoule a Food Calorie Kilojoule a BTU Watt-hour a Joule Watt-hour a Kilojoule Watt-hour a Kilowatt-hour Watt-hour a Kilocalorie Watt-hour a Food Calorie Watt-hour a BTU Kilowatt-hour a Joule Kilowatt-hour a Kilojoule Kilowatt-hour a Watt-hour Kilowatt-hour a Kilocalorie Kilowatt-hour a Food Calorie Kilowatt-hour a BTU Kilocalorie a Joule Kilocalorie a Kilojoule Kilocalorie a Watt-hour Kilocalorie a Kilowatt-hour Kilocalorie a Food Calorie Kilocalorie a BTU Food Calorie a Joule Food Calorie a Kilojoule Food Calorie a Watt-hour Food Calorie a Kilowatt-hour Food Calorie a Kilocalorie Food Calorie a BTU BTU a Joule BTU a Kilojoule BTU a Watt-hour BTU a Kilowatt-hour BTU a Kilocalorie BTU a Food Calorie