Energy Unit

joule or W·s or N·m
kilowatt hour
electronvolt
calorie
erg
kilopond metre
horsepower hour (metric)
foot pound-force
British thermal unit
therm

Energy is defined as the potential to do work or produce heat. This definition causes the SI unit for energy to be the same as the unit of work – the joule (J). Joule is a derived unit of energy. 1 joule can be defined with this formula:

1 J = 1 kg.m2/s2

How to Use:
Type the value to convert into the field, behind which you find the unit. Click on any empty space in the window or on the “calculate” button. The converted result will be shown in the other fields. You can use the “reset” button to reset the process.

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