There are 2.54 cm in one inch and there are 18 inches in half a yard so there are 2.54 times 18 = 45.72 cm in half a yard.
Only basic disks can be cloned with Acronis True Image 2016. You cannot clone dynamic disks. Checking if you have basic or dynamic disks. You can use Windows Disk Management to see if you have basic or dynamic disks: Hit Start-Run and type in diskmgmt.msc.
The process will start and the Disk will be converted to a Dynamic disk. Using Command line. Open an elevated command prompt, type diskpart and hit Enter. Next, type list disk. Make note of the disk number of the disk you want to convert to Dynamic.