This converter was inspired by the "conversion tool" from David
Eaton
http://www.suave.net/~dave/cgi/scale.cgi
The basic dimensions were taken from:
http://www.lugnet.com/~330/FAQ/Build/dimensions
taken standards:
1 stud pitch = 7.985mm
minifig hight = 42mm
average us-person hight = 5,33 feet
tw 20030420