Sometimes it is handy for Windows Administrators to check free space on the volume from command line. That task can be accomplised by using fsutil command. The full syntax for checking free space on volume c: is fsutil volume diskfree c:

If you want to check the free space on different volume than c: just replace c: with proper letter i.e. d:

C:\Windows\system32>fsutil volume diskfree c:

Total # of free bytes        : 201358843904

Total # of bytes             : 500000878592

Total # of avail free bytes  : 201358843904

The output is returned in bytes, so to get megabytes free you have to divde the number of bytes by 1024 * 1024 for example by using calculator.