http://sourceforge.net/projects/vboxhdtools/

win image 앱도 가능함

다른 방법

1. VMware vCenter Converter Standalone -- As suggested by most users but I wonder it may subject to licensing requirement for existing customer, tho you can still download it freely from official site.
2. VMware vCenter Converter cold clone boot CD -- Discontinued but you can find it here. http://thatcouldbeaproblem.com/?p=584
3. Microsoft SCVMM -- Sth for large scale and scheduled conversion.
4. Sysinternal Disk2VHD by Microsoft -- My personal fav and the easiest one. http://technet.microsoft.com/en-us/sysinternals/ee656415.aspx

http://serverfault.com/questions/223547/how-do-you-copy-a-physical-hard-drive-to-a-vmware-virtual-hard-disk