Kilojoules conversion

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Kilojoules

Abbreviation/Symbol:

kJ

Unit of:

Energy

Power

Wordwide use:

Widely used in energy measurement

Definition:

One Kilojoule is 1,000 Newton Metre, ie the work done or energy transfered to an object when a 1,000 Newton force acts on it over one metre. It can also be defined as the heat energy dissipated by a current of 1,000 amperes passing through a one Ohm resistor for one second

Origin:

The Joule is named after James Prescott Joule, an English physicist and brewer. Joule discovered the relationship between heat and mechanical work

Common references:

The NHS in the United Kingdom advise a man needs to eat around 10,500kJ a day to maintain his weight and a woman needs around 8,400kJ. A 330ml can of regular Coke at the time of writing (November 2015) contains 581 kJ. Tea light candles produce roughly 55

Usage context:

Widely used in energy measurement

 

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