PV does everything.
root@mlll2664:~# pv -tpreb /dev/sdc | dd of=/dev/sdd bs=512M 27.5GB 0:03:28 [ 130MB/s] [========> ] 12% ETA 0:24:39
You can also funnel this into the dialog tool and make it visual:
See here for more details.
dd
Show Visual Progress For “dd” Copy Operations
On Ubuntu, install pv using Apt:
$ sudo apt-get install pv
Usage:
$ dd if=<FROM FILEPATH> | pv | dd of=<TO FILEPATH> 1,86MB 0:00:14 [ 174kB/s] [ <=> ]
You can also pass --size with an estimated-size to show a progress bar and estimated time of completion.
Random Engineering 