- The SI unit "Joule" -

This is a unit of energy named after Joule. This related to " the work done when the point of application of a force of 1 Newton is displaced through a distance of 1 metre in the direction of the force."1

The following is a list of conversions that apply to the Joule:

1 Joule = 1 watt-second
1 Joule = 10 million ergs
1 Joule = 0.000948 BTUs
1 Joule = 0.2390 calories
1 Joule = 0.738 foot-pound

1. http://www.wordreference.com/English/definition.asp?en=joule
Converstions provided by http://library.thinkquest.org/10170/voca/jouleb.htm and http://www.wordreference.com/English/definition.asp?en=joule