Ok, if you are looking for a tool to analyze your physical servers and determine the requirements and convert those physical machines to VMs, the look into
http://www.vmware.com/products/capacity-plannerYou will have to contact a VMware partner to get them to give you access to use that tool.
Otherwise if you are just looking for a tool to convert your physical machines to VM's, look at
http://www.vmware.com/products/converter/
