Physics Derivation

Can anybody please show me how to derive
1 Joule to ergs
Answer #1
1 joule = 10 000 000 erg
Answer #2
yes i know dat
but i want the derivation
Answer #3
http://en.wikipedia.org/wiki/Joule
Answer #4
any other help please
Answer #5
Ok i will try and let you know, its just a simple conversion of units
Joule and erg are units of energy
Joule is S.I. unit erg is CGS unit As joule is the unit of energy so taking kinetic energy as example